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Finding the Fourth Proportional to 458,704.40, 688,056.60 and 332,077.10

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Solution

The fourth proportional to 458,704.40, 688,056.60 and 332,077.10 is: 498,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,704.40 : 688,056.60 = 332,077.10 : x
  2. Step 2: Convert to fraction form
    458,704.40/688,056.60 = 332,077.10/x
  3. Step 3: Cross multiply
    458,704.40x = 688,056.60 × 332,077.10
  4. Step 4: Simplify right side
    458,704.40x = 228,487,840,363.86
  5. Step 5: Solve for x
    x = 228,487,840,363.86/458,704.40
  6. Step 6: Final answer
    x = 498,115.65

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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.