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Finding the Fourth Proportional to 283,525.92, 391,283.40 and 156,201.48

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Solution

The fourth proportional to 283,525.92, 391,283.40 and 156,201.48 is: 215,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,525.92 : 391,283.40 = 156,201.48 : x
  2. Step 2: Convert to fraction form
    283,525.92/391,283.40 = 156,201.48/x
  3. Step 3: Cross multiply
    283,525.92x = 391,283.40 × 156,201.48
  4. Step 4: Simplify right side
    283,525.92x = 61,119,046,179.43
  5. Step 5: Solve for x
    x = 61,119,046,179.43/283,525.92
  6. Step 6: Final answer
    x = 215,567.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.