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Finding the Fourth Proportional to 811,203.04, 1,119,432 and 467,027.56

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Solution

The fourth proportional to 811,203.04, 1,119,432 and 467,027.56 is: 644,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,203.04 : 1,119,432 = 467,027.56 : x
  2. Step 2: Convert to fraction form
    811,203.04/1,119,432 = 467,027.56/x
  3. Step 3: Cross multiply
    811,203.04x = 1,119,432 × 467,027.56
  4. Step 4: Simplify right side
    811,203.04x = 522,805,595,545.92
  5. Step 5: Solve for x
    x = 522,805,595,545.92/811,203.04
  6. Step 6: Final answer
    x = 644,481.80

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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.