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Finding the Fourth Proportional to 496,640.10, 744,960.15 and 197,192.10

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Solution

The fourth proportional to 496,640.10, 744,960.15 and 197,192.10 is: 295,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,640.10 : 744,960.15 = 197,192.10 : x
  2. Step 2: Convert to fraction form
    496,640.10/744,960.15 = 197,192.10/x
  3. Step 3: Cross multiply
    496,640.10x = 744,960.15 × 197,192.10
  4. Step 4: Simplify right side
    496,640.10x = 146,900,256,394.82
  5. Step 5: Solve for x
    x = 146,900,256,394.82/496,640.10
  6. Step 6: Final answer
    x = 295,788.15

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Similar ratio
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1.5x scale

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.