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Finding the Fourth Proportional to 283,637.65, 425,478.35 and 83,954.83

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Solution

The fourth proportional to 283,637.65, 425,478.35 and 83,954.83 is: 125,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,637.65 : 425,478.35 = 83,954.83 : x
  2. Step 2: Convert to fraction form
    283,637.65/425,478.35 = 83,954.83/x
  3. Step 3: Cross multiply
    283,637.65x = 425,478.35 × 83,954.83
  4. Step 4: Simplify right side
    283,637.65x = 35,720,962,542.93
  5. Step 5: Solve for x
    x = 35,720,962,542.93/283,637.65
  6. Step 6: Final answer
    x = 125,938.72

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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.