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Finding the Fourth Proportional to 493,281.60, 739,922.40 and 367,310.40

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Solution

The fourth proportional to 493,281.60, 739,922.40 and 367,310.40 is: 550,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,281.60 : 739,922.40 = 367,310.40 : x
  2. Step 2: Convert to fraction form
    493,281.60/739,922.40 = 367,310.40/x
  3. Step 3: Cross multiply
    493,281.60x = 739,922.40 × 367,310.40
  4. Step 4: Simplify right side
    493,281.60x = 271,781,192,712.96
  5. Step 5: Solve for x
    x = 271,781,192,712.96/493,281.60
  6. Step 6: Final answer
    x = 550,965.60

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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.