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Finding the Fourth Proportional to 472,812.80, 652,499.96 and 268,882.34

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Solution

The fourth proportional to 472,812.80, 652,499.96 and 268,882.34 is: 371,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,812.80 : 652,499.96 = 268,882.34 : x
  2. Step 2: Convert to fraction form
    472,812.80/652,499.96 = 268,882.34/x
  3. Step 3: Cross multiply
    472,812.80x = 652,499.96 × 268,882.34
  4. Step 4: Simplify right side
    472,812.80x = 175,445,711,487.80
  5. Step 5: Solve for x
    x = 175,445,711,487.80/472,812.80
  6. Step 6: Final answer
    x = 371,068.03

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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.