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Finding the Fourth Proportional to 466,079.16, 643,092.82 and 272,449.47

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Solution

The fourth proportional to 466,079.16, 643,092.82 and 272,449.47 is: 375,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,079.16 : 643,092.82 = 272,449.47 : x
  2. Step 2: Convert to fraction form
    466,079.16/643,092.82 = 272,449.47/x
  3. Step 3: Cross multiply
    466,079.16x = 643,092.82 × 272,449.47
  4. Step 4: Simplify right side
    466,079.16x = 175,210,299,700.28
  5. Step 5: Solve for x
    x = 175,210,299,700.28/466,079.16
  6. Step 6: Final answer
    x = 375,923.91

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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.