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Finding the Fourth Proportional to 672,001.60, 1,006,965.60 and 582,836.80

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Solution

The fourth proportional to 672,001.60, 1,006,965.60 and 582,836.80 is: 873,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,001.60 : 1,006,965.60 = 582,836.80 : x
  2. Step 2: Convert to fraction form
    672,001.60/1,006,965.60 = 582,836.80/x
  3. Step 3: Cross multiply
    672,001.60x = 1,006,965.60 × 582,836.80
  4. Step 4: Simplify right side
    672,001.60x = 586,896,608,014.08
  5. Step 5: Solve for x
    x = 586,896,608,014.08/672,001.60
  6. Step 6: Final answer
    x = 873,355.97

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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.