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Finding the Fourth Proportional to 532,901.40, 800,226.90 and 356,191.80

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Solution

The fourth proportional to 532,901.40, 800,226.90 and 356,191.80 is: 534,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,901.40 : 800,226.90 = 356,191.80 : x
  2. Step 2: Convert to fraction form
    532,901.40/800,226.90 = 356,191.80/x
  3. Step 3: Cross multiply
    532,901.40x = 800,226.90 × 356,191.80
  4. Step 4: Simplify right side
    532,901.40x = 285,034,259,919.42
  5. Step 5: Solve for x
    x = 285,034,259,919.42/532,901.40
  6. Step 6: Final answer
    x = 534,872.42

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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.