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Finding the Fourth Proportional to 576,016.60, 862,512.90 and 406,622.20

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Solution

The fourth proportional to 576,016.60, 862,512.90 and 406,622.20 is: 608,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,016.60 : 862,512.90 = 406,622.20 : x
  2. Step 2: Convert to fraction form
    576,016.60/862,512.90 = 406,622.20/x
  3. Step 3: Cross multiply
    576,016.60x = 862,512.90 × 406,622.20
  4. Step 4: Simplify right side
    576,016.60x = 350,716,892,926.38
  5. Step 5: Solve for x
    x = 350,716,892,926.38/576,016.60
  6. Step 6: Final answer
    x = 608,865.95

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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.