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Finding the Fourth Proportional to 540,022.74, 745,200.54 and 322,476.93

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Solution

The fourth proportional to 540,022.74, 745,200.54 and 322,476.93 is: 444,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,022.74 : 745,200.54 = 322,476.93 : x
  2. Step 2: Convert to fraction form
    540,022.74/745,200.54 = 322,476.93/x
  3. Step 3: Cross multiply
    540,022.74x = 745,200.54 × 322,476.93
  4. Step 4: Simplify right side
    540,022.74x = 240,309,982,373.54
  5. Step 5: Solve for x
    x = 240,309,982,373.54/540,022.74
  6. Step 6: Final answer
    x = 444,999.75

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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.