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Finding the Fourth Proportional to 497,607.40, 746,411.10 and 123,630.40

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Solution

The fourth proportional to 497,607.40, 746,411.10 and 123,630.40 is: 185,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,607.40 : 746,411.10 = 123,630.40 : x
  2. Step 2: Convert to fraction form
    497,607.40/746,411.10 = 123,630.40/x
  3. Step 3: Cross multiply
    497,607.40x = 746,411.10 × 123,630.40
  4. Step 4: Simplify right side
    497,607.40x = 92,279,102,857.44
  5. Step 5: Solve for x
    x = 92,279,102,857.44/497,607.40
  6. Step 6: Final answer
    x = 185,445.60

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Double scale
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Similar ratio
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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.