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Finding the Fourth Proportional to 497,640.60, 746,460.90 and 123,663.60

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Solution

The fourth proportional to 497,640.60, 746,460.90 and 123,663.60 is: 185,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,640.60 : 746,460.90 = 123,663.60 : x
  2. Step 2: Convert to fraction form
    497,640.60/746,460.90 = 123,663.60/x
  3. Step 3: Cross multiply
    497,640.60x = 746,460.90 × 123,663.60
  4. Step 4: Simplify right side
    497,640.60x = 92,310,042,153.24
  5. Step 5: Solve for x
    x = 92,310,042,153.24/497,640.60
  6. Step 6: Final answer
    x = 185,495.40

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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.