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Finding the Fourth Proportional to 576,545.60, 795,634.47 and 321,905.90

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Solution

The fourth proportional to 576,545.60, 795,634.47 and 321,905.90 is: 444,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,545.60 : 795,634.47 = 321,905.90 : x
  2. Step 2: Convert to fraction form
    576,545.60/795,634.47 = 321,905.90/x
  3. Step 3: Cross multiply
    576,545.60x = 795,634.47 × 321,905.90
  4. Step 4: Simplify right side
    576,545.60x = 256,119,430,136.37
  5. Step 5: Solve for x
    x = 256,119,430,136.37/576,545.60
  6. Step 6: Final answer
    x = 444,231.00

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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.