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Finding the Fourth Proportional to 592,173.60, 888,260.40 and 442,874.40

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Solution

The fourth proportional to 592,173.60, 888,260.40 and 442,874.40 is: 664,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,173.60 : 888,260.40 = 442,874.40 : x
  2. Step 2: Convert to fraction form
    592,173.60/888,260.40 = 442,874.40/x
  3. Step 3: Cross multiply
    592,173.60x = 888,260.40 × 442,874.40
  4. Step 4: Simplify right side
    592,173.60x = 393,387,791,693.76
  5. Step 5: Solve for x
    x = 393,387,791,693.76/592,173.60
  6. Step 6: Final answer
    x = 664,311.60

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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.