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Finding the Fourth Proportional to 538,466.10, 807,691.95 and 164,490.90

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Solution

The fourth proportional to 538,466.10, 807,691.95 and 164,490.90 is: 246,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,466.10 : 807,691.95 = 164,490.90 : x
  2. Step 2: Convert to fraction form
    538,466.10/807,691.95 = 164,490.90/x
  3. Step 3: Cross multiply
    538,466.10x = 807,691.95 × 164,490.90
  4. Step 4: Simplify right side
    538,466.10x = 132,857,975,778.26
  5. Step 5: Solve for x
    x = 132,857,975,778.26/538,466.10
  6. Step 6: Final answer
    x = 246,734.15

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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.