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Finding the Fourth Proportional to 502,368.69, 693,265.97 and 272,924.15

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Solution

The fourth proportional to 502,368.69, 693,265.97 and 272,924.15 is: 376,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,368.69 : 693,265.97 = 272,924.15 : x
  2. Step 2: Convert to fraction form
    502,368.69/693,265.97 = 272,924.15/x
  3. Step 3: Cross multiply
    502,368.69x = 693,265.97 × 272,924.15
  4. Step 4: Simplify right side
    502,368.69x = 189,209,022,802.16
  5. Step 5: Solve for x
    x = 189,209,022,802.16/502,368.69
  6. Step 6: Final answer
    x = 376,633.79

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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.