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Finding the Fourth Proportional to 464,084.10, 696,126.70 and 127,127.65

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Solution

The fourth proportional to 464,084.10, 696,126.70 and 127,127.65 is: 190,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,084.10 : 696,126.70 = 127,127.65 : x
  2. Step 2: Convert to fraction form
    464,084.10/696,126.70 = 127,127.65/x
  3. Step 3: Cross multiply
    464,084.10x = 696,126.70 × 127,127.65
  4. Step 4: Simplify right side
    464,084.10x = 88,496,951,473.26
  5. Step 5: Solve for x
    x = 88,496,951,473.26/464,084.10
  6. Step 6: Final answer
    x = 190,691.63

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Double scale
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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.