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Finding the Fourth Proportional to 591,113.60, 886,670.40 and 354,723.20

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Solution

The fourth proportional to 591,113.60, 886,670.40 and 354,723.20 is: 532,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,113.60 : 886,670.40 = 354,723.20 : x
  2. Step 2: Convert to fraction form
    591,113.60/886,670.40 = 354,723.20/x
  3. Step 3: Cross multiply
    591,113.60x = 886,670.40 × 354,723.20
  4. Step 4: Simplify right side
    591,113.60x = 314,522,561,633.28
  5. Step 5: Solve for x
    x = 314,522,561,633.28/591,113.60
  6. Step 6: Final answer
    x = 532,084.80

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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.