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Finding the Fourth Proportional to 539,520.89, 744,538.86 and 297,803.52

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Solution

The fourth proportional to 539,520.89, 744,538.86 and 297,803.52 is: 410,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,520.89 : 744,538.86 = 297,803.52 : x
  2. Step 2: Convert to fraction form
    539,520.89/744,538.86 = 297,803.52/x
  3. Step 3: Cross multiply
    539,520.89x = 744,538.86 × 297,803.52
  4. Step 4: Simplify right side
    539,520.89x = 221,726,293,284.79
  5. Step 5: Solve for x
    x = 221,726,293,284.79/539,520.89
  6. Step 6: Final answer
    x = 410,968.88

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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.