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Finding the Fourth Proportional to 356,572.60, 534,858.90 and 223,862.20

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Solution

The fourth proportional to 356,572.60, 534,858.90 and 223,862.20 is: 335,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,572.60 : 534,858.90 = 223,862.20 : x
  2. Step 2: Convert to fraction form
    356,572.60/534,858.90 = 223,862.20/x
  3. Step 3: Cross multiply
    356,572.60x = 534,858.90 × 223,862.20
  4. Step 4: Simplify right side
    356,572.60x = 119,734,690,043.58
  5. Step 5: Solve for x
    x = 119,734,690,043.58/356,572.60
  6. Step 6: Final answer
    x = 335,793.30

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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.