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Finding the Fourth Proportional to 502,141.13, 692,952.53 and 272,696.61

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Solution

The fourth proportional to 502,141.13, 692,952.53 and 272,696.61 is: 376,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,141.13 : 692,952.53 = 272,696.61 : x
  2. Step 2: Convert to fraction form
    502,141.13/692,952.53 = 272,696.61/x
  3. Step 3: Cross multiply
    502,141.13x = 692,952.53 × 272,696.61
  4. Step 4: Simplify right side
    502,141.13x = 188,965,805,821.92
  5. Step 5: Solve for x
    x = 188,965,805,821.92/502,141.13
  6. Step 6: Final answer
    x = 376,320.11

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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.