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Finding the Fourth Proportional to 283,549.86, 425,324.79 and 83,854.70

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Solution

The fourth proportional to 283,549.86, 425,324.79 and 83,854.70 is: 125,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,549.86 : 425,324.79 = 83,854.70 : x
  2. Step 2: Convert to fraction form
    283,549.86/425,324.79 = 83,854.70/x
  3. Step 3: Cross multiply
    283,549.86x = 425,324.79 × 83,854.70
  4. Step 4: Simplify right side
    283,549.86x = 35,665,480,541.39
  5. Step 5: Solve for x
    x = 35,665,480,541.39/283,549.86
  6. Step 6: Final answer
    x = 125,782.04

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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.