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Finding the Fourth Proportional to 283,882.50, 391,763.52 and 183,455.46

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Solution

The fourth proportional to 283,882.50, 391,763.52 and 183,455.46 is: 253,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,882.50 : 391,763.52 = 183,455.46 : x
  2. Step 2: Convert to fraction form
    283,882.50/391,763.52 = 183,455.46/x
  3. Step 3: Cross multiply
    283,882.50x = 391,763.52 × 183,455.46
  4. Step 4: Simplify right side
    283,882.50x = 71,871,156,772.82
  5. Step 5: Solve for x
    x = 71,871,156,772.82/283,882.50
  6. Step 6: Final answer
    x = 253,172.20

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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.