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Finding the Fourth Proportional to 283,886.50, 391,769.04 and 183,459.46

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Solution

The fourth proportional to 283,886.50, 391,769.04 and 183,459.46 is: 253,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,886.50 : 391,769.04 = 183,459.46 : x
  2. Step 2: Convert to fraction form
    283,886.50/391,769.04 = 183,459.46/x
  3. Step 3: Cross multiply
    283,886.50x = 391,769.04 × 183,459.46
  4. Step 4: Simplify right side
    283,886.50x = 71,873,736,523.12
  5. Step 5: Solve for x
    x = 71,873,736,523.12/283,886.50
  6. Step 6: Final answer
    x = 253,177.72

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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.