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Finding the Fourth Proportional to 586,422.70, 879,634.05 and 444,705.10

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Solution

The fourth proportional to 586,422.70, 879,634.05 and 444,705.10 is: 667,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,422.70 : 879,634.05 = 444,705.10 : x
  2. Step 2: Convert to fraction form
    586,422.70/879,634.05 = 444,705.10/x
  3. Step 3: Cross multiply
    586,422.70x = 879,634.05 × 444,705.10
  4. Step 4: Simplify right side
    586,422.70x = 391,177,748,168.66
  5. Step 5: Solve for x
    x = 391,177,748,168.66/586,422.70
  6. Step 6: Final answer
    x = 667,057.65

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Similar ratio
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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.