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Finding the Fourth Proportional to 435,646.20, 653,169.60 and 222,000.60

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Solution

The fourth proportional to 435,646.20, 653,169.60 and 222,000.60 is: 332,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,646.20 : 653,169.60 = 222,000.60 : x
  2. Step 2: Convert to fraction form
    435,646.20/653,169.60 = 222,000.60/x
  3. Step 3: Cross multiply
    435,646.20x = 653,169.60 × 222,000.60
  4. Step 4: Simplify right side
    435,646.20x = 145,004,043,101.76
  5. Step 5: Solve for x
    x = 145,004,043,101.76/435,646.20
  6. Step 6: Final answer
    x = 332,848.18

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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.