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Finding the Fourth Proportional to 591,158.60, 886,737.90 and 341,712.20

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Solution

The fourth proportional to 591,158.60, 886,737.90 and 341,712.20 is: 512,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,158.60 : 886,737.90 = 341,712.20 : x
  2. Step 2: Convert to fraction form
    591,158.60/886,737.90 = 341,712.20/x
  3. Step 3: Cross multiply
    591,158.60x = 886,737.90 × 341,712.20
  4. Step 4: Simplify right side
    591,158.60x = 303,009,158,632.38
  5. Step 5: Solve for x
    x = 303,009,158,632.38/591,158.60
  6. Step 6: Final answer
    x = 512,568.30

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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.