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Finding the Fourth Proportional to 283,753.93, 425,756.28 and 148,785.76

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Solution

The fourth proportional to 283,753.93, 425,756.28 and 148,785.76 is: 223,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,753.93 : 425,756.28 = 148,785.76 : x
  2. Step 2: Convert to fraction form
    283,753.93/425,756.28 = 148,785.76/x
  3. Step 3: Cross multiply
    283,753.93x = 425,756.28 × 148,785.76
  4. Step 4: Simplify right side
    283,753.93x = 63,346,471,694.57
  5. Step 5: Solve for x
    x = 63,346,471,694.57/283,753.93
  6. Step 6: Final answer
    x = 223,244.39

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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.