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Finding the Fourth Proportional to 543,304.29, 815,809.41 and 460,154.55

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Solution

The fourth proportional to 543,304.29, 815,809.41 and 460,154.55 is: 690,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,304.29 : 815,809.41 = 460,154.55 : x
  2. Step 2: Convert to fraction form
    543,304.29/815,809.41 = 460,154.55/x
  3. Step 3: Cross multiply
    543,304.29x = 815,809.41 × 460,154.55
  4. Step 4: Simplify right side
    543,304.29x = 375,398,411,944.32
  5. Step 5: Solve for x
    x = 375,398,411,944.32/543,304.29
  6. Step 6: Final answer
    x = 690,954.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.