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Finding the Fourth Proportional to 539,514.66, 744,526.13 and 297,797.21

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Solution

The fourth proportional to 539,514.66, 744,526.13 and 297,797.21 is: 410,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,514.66 : 744,526.13 = 297,797.21 : x
  2. Step 2: Convert to fraction form
    539,514.66/744,526.13 = 297,797.21/x
  3. Step 3: Cross multiply
    539,514.66x = 744,526.13 × 297,797.21
  4. Step 4: Simplify right side
    539,514.66x = 221,717,799,074.48
  5. Step 5: Solve for x
    x = 221,717,799,074.48/539,514.66
  6. Step 6: Final answer
    x = 410,957.88

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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.