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Finding the Fourth Proportional to 591,254.40, 886,881.60 and 413,961.60

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Solution

The fourth proportional to 591,254.40, 886,881.60 and 413,961.60 is: 620,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,254.40 : 886,881.60 = 413,961.60 : x
  2. Step 2: Convert to fraction form
    591,254.40/886,881.60 = 413,961.60/x
  3. Step 3: Cross multiply
    591,254.40x = 886,881.60 × 413,961.60
  4. Step 4: Simplify right side
    591,254.40x = 367,134,926,146.56
  5. Step 5: Solve for x
    x = 367,134,926,146.56/591,254.40
  6. Step 6: Final answer
    x = 620,942.40

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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.