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Finding the Fourth Proportional to 347,363.76, 520,773.45 and 137,159.04

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Solution

The fourth proportional to 347,363.76, 520,773.45 and 137,159.04 is: 205,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,363.76 : 520,773.45 = 137,159.04 : x
  2. Step 2: Convert to fraction form
    347,363.76/520,773.45 = 137,159.04/x
  3. Step 3: Cross multiply
    347,363.76x = 520,773.45 × 137,159.04
  4. Step 4: Simplify right side
    347,363.76x = 71,428,786,459.49
  5. Step 5: Solve for x
    x = 71,428,786,459.49/347,363.76
  6. Step 6: Final answer
    x = 205,631.08

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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.