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Finding the Fourth Proportional to 544,509.38, 751,387.38 and 302,782.97

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Solution

The fourth proportional to 544,509.38, 751,387.38 and 302,782.97 is: 417,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,509.38 : 751,387.38 = 302,782.97 : x
  2. Step 2: Convert to fraction form
    544,509.38/751,387.38 = 302,782.97/x
  3. Step 3: Cross multiply
    544,509.38x = 751,387.38 × 302,782.97
  4. Step 4: Simplify right side
    544,509.38x = 227,507,302,536.92
  5. Step 5: Solve for x
    x = 227,507,302,536.92/544,509.38
  6. Step 6: Final answer
    x = 417,820.72

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Half scale
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Double scale
Find fourth proportional to 544,510.38, 751,388.76 and 302,783.97
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.