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Finding the Fourth Proportional to 629,778.70, 944,428.65 and 203,250.59

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Solution

The fourth proportional to 629,778.70, 944,428.65 and 203,250.59 is: 304,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,778.70 : 944,428.65 = 203,250.59 : x
  2. Step 2: Convert to fraction form
    629,778.70/944,428.65 = 203,250.59/x
  3. Step 3: Cross multiply
    629,778.70x = 944,428.65 × 203,250.59
  4. Step 4: Simplify right side
    629,778.70x = 191,955,680,325.40
  5. Step 5: Solve for x
    x = 191,955,680,325.40/629,778.70
  6. Step 6: Final answer
    x = 304,798.62

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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.