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Finding the Fourth Proportional to 418,462.50, 577,466.08 and 237,191.11

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Solution

The fourth proportional to 418,462.50, 577,466.08 and 237,191.11 is: 327,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,462.50 : 577,466.08 = 237,191.11 : x
  2. Step 2: Convert to fraction form
    418,462.50/577,466.08 = 237,191.11/x
  3. Step 3: Cross multiply
    418,462.50x = 577,466.08 × 237,191.11
  4. Step 4: Simplify right side
    418,462.50x = 136,969,820,502.55
  5. Step 5: Solve for x
    x = 136,969,820,502.55/418,462.50
  6. Step 6: Final answer
    x = 327,316.83

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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.