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Finding the Fourth Proportional to 576,064.60, 862,584.90 and 406,670.20

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Solution

The fourth proportional to 576,064.60, 862,584.90 and 406,670.20 is: 608,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,064.60 : 862,584.90 = 406,670.20 : x
  2. Step 2: Convert to fraction form
    576,064.60/862,584.90 = 406,670.20/x
  3. Step 3: Cross multiply
    576,064.60x = 862,584.90 × 406,670.20
  4. Step 4: Simplify right side
    576,064.60x = 350,787,573,799.98
  5. Step 5: Solve for x
    x = 350,787,573,799.98/576,064.60
  6. Step 6: Final answer
    x = 608,937.91

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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.