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Finding the Fourth Proportional to 544,342.59, 751,150.20 and 302,610.45

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Solution

The fourth proportional to 544,342.59, 751,150.20 and 302,610.45 is: 417,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,342.59 : 751,150.20 = 302,610.45 : x
  2. Step 2: Convert to fraction form
    544,342.59/751,150.20 = 302,610.45/x
  3. Step 3: Cross multiply
    544,342.59x = 751,150.20 × 302,610.45
  4. Step 4: Simplify right side
    544,342.59x = 227,305,900,039.59
  5. Step 5: Solve for x
    x = 227,305,900,039.59/544,342.59
  6. Step 6: Final answer
    x = 417,578.75

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Double scale
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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.