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Finding the Fourth Proportional to 543,012.72, 746,700.27 and 471,268.17

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Solution

The fourth proportional to 543,012.72, 746,700.27 and 471,268.17 is: 648,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,012.72 : 746,700.27 = 471,268.17 : x
  2. Step 2: Convert to fraction form
    543,012.72/746,700.27 = 471,268.17/x
  3. Step 3: Cross multiply
    543,012.72x = 746,700.27 × 471,268.17
  4. Step 4: Simplify right side
    543,012.72x = 351,896,069,781.41
  5. Step 5: Solve for x
    x = 351,896,069,781.41/543,012.72
  6. Step 6: Final answer
    x = 648,043.88

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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.