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Finding the Fourth Proportional to 888,609.84, 1,226,251.08 and 506,759.52

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Solution

The fourth proportional to 888,609.84, 1,226,251.08 and 506,759.52 is: 699,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,609.84 : 1,226,251.08 = 506,759.52 : x
  2. Step 2: Convert to fraction form
    888,609.84/1,226,251.08 = 506,759.52/x
  3. Step 3: Cross multiply
    888,609.84x = 1,226,251.08 × 506,759.52
  4. Step 4: Simplify right side
    888,609.84x = 621,414,408,700.28
  5. Step 5: Solve for x
    x = 621,414,408,700.28/888,609.84
  6. Step 6: Final answer
    x = 699,310.74

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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.