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Finding the Fourth Proportional to 382,500.20, 573,750.30 and 344,446.40

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Solution

The fourth proportional to 382,500.20, 573,750.30 and 344,446.40 is: 516,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,500.20 : 573,750.30 = 344,446.40 : x
  2. Step 2: Convert to fraction form
    382,500.20/573,750.30 = 344,446.40/x
  3. Step 3: Cross multiply
    382,500.20x = 573,750.30 × 344,446.40
  4. Step 4: Simplify right side
    382,500.20x = 197,626,225,333.92
  5. Step 5: Solve for x
    x = 197,626,225,333.92/382,500.20
  6. Step 6: Final answer
    x = 516,669.60

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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.