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Finding the Fourth Proportional to 634,889.70, 952,334.55 and 494,753.22

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Solution

The fourth proportional to 634,889.70, 952,334.55 and 494,753.22 is: 742,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,889.70 : 952,334.55 = 494,753.22 : x
  2. Step 2: Convert to fraction form
    634,889.70/952,334.55 = 494,753.22/x
  3. Step 3: Cross multiply
    634,889.70x = 952,334.55 × 494,753.22
  4. Step 4: Simplify right side
    634,889.70x = 471,170,585,129.75
  5. Step 5: Solve for x
    x = 471,170,585,129.75/634,889.70
  6. Step 6: Final answer
    x = 742,129.83

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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.