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Finding the Fourth Proportional to 649,714.98, 974,738.49 and 250,248.48

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Solution

The fourth proportional to 649,714.98, 974,738.49 and 250,248.48 is: 375,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,714.98 : 974,738.49 = 250,248.48 : x
  2. Step 2: Convert to fraction form
    649,714.98/974,738.49 = 250,248.48/x
  3. Step 3: Cross multiply
    649,714.98x = 974,738.49 × 250,248.48
  4. Step 4: Simplify right side
    649,714.98x = 243,926,825,520.00
  5. Step 5: Solve for x
    x = 243,926,825,520.00/649,714.98
  6. Step 6: Final answer
    x = 375,436.67

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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.