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Finding the Fourth Proportional to 536,766.80, 805,150.20 and 359,819.60

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Solution

The fourth proportional to 536,766.80, 805,150.20 and 359,819.60 is: 539,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,766.80 : 805,150.20 = 359,819.60 : x
  2. Step 2: Convert to fraction form
    536,766.80/805,150.20 = 359,819.60/x
  3. Step 3: Cross multiply
    536,766.80x = 805,150.20 × 359,819.60
  4. Step 4: Simplify right side
    536,766.80x = 289,708,822,903.92
  5. Step 5: Solve for x
    x = 289,708,822,903.92/536,766.80
  6. Step 6: Final answer
    x = 539,729.40

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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.