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Finding the Fourth Proportional to 635,560.53, 953,340.45 and 162,245.71

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Solution

The fourth proportional to 635,560.53, 953,340.45 and 162,245.71 is: 243,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,560.53 : 953,340.45 = 162,245.71 : x
  2. Step 2: Convert to fraction form
    635,560.53/953,340.45 = 162,245.71/x
  3. Step 3: Cross multiply
    635,560.53x = 953,340.45 × 162,245.71
  4. Step 4: Simplify right side
    635,560.53x = 154,675,398,181.97
  5. Step 5: Solve for x
    x = 154,675,398,181.97/635,560.53
  6. Step 6: Final answer
    x = 243,368.48

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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.