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Finding the Fourth Proportional to 498,200.10, 747,300.15 and 441,119.40

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Solution

The fourth proportional to 498,200.10, 747,300.15 and 441,119.40 is: 661,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,200.10 : 747,300.15 = 441,119.40 : x
  2. Step 2: Convert to fraction form
    498,200.10/747,300.15 = 441,119.40/x
  3. Step 3: Cross multiply
    498,200.10x = 747,300.15 × 441,119.40
  4. Step 4: Simplify right side
    498,200.10x = 329,648,593,787.91
  5. Step 5: Solve for x
    x = 329,648,593,787.91/498,200.10
  6. Step 6: Final answer
    x = 661,679.10

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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.