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Finding the Fourth Proportional to 283,507.32, 425,524.50 and 143,366.52

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Solution

The fourth proportional to 283,507.32, 425,524.50 and 143,366.52 is: 215,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,507.32 : 425,524.50 = 143,366.52 : x
  2. Step 2: Convert to fraction form
    283,507.32/425,524.50 = 143,366.52/x
  3. Step 3: Cross multiply
    283,507.32x = 425,524.50 × 143,366.52
  4. Step 4: Simplify right side
    283,507.32x = 61,005,966,739.74
  5. Step 5: Solve for x
    x = 61,005,966,739.74/283,507.32
  6. Step 6: Final answer
    x = 215,183.04

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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.