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Finding the Fourth Proportional to 474,785.60, 712,179.68 and 119,799.59

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Solution

The fourth proportional to 474,785.60, 712,179.68 and 119,799.59 is: 179,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,785.60 : 712,179.68 = 119,799.59 : x
  2. Step 2: Convert to fraction form
    474,785.60/712,179.68 = 119,799.59/x
  3. Step 3: Cross multiply
    474,785.60x = 712,179.68 × 119,799.59
  4. Step 4: Simplify right side
    474,785.60x = 85,318,829,510.43
  5. Step 5: Solve for x
    x = 85,318,829,510.43/474,785.60
  6. Step 6: Final answer
    x = 179,699.70

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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.