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Finding the Fourth Proportional to 555,761.25, 832,309.79 and 285,177.33

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Solution

The fourth proportional to 555,761.25, 832,309.79 and 285,177.33 is: 427,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,761.25 : 832,309.79 = 285,177.33 : x
  2. Step 2: Convert to fraction form
    555,761.25/832,309.79 = 285,177.33/x
  3. Step 3: Cross multiply
    555,761.25x = 832,309.79 × 285,177.33
  4. Step 4: Simplify right side
    555,761.25x = 237,355,882,219.17
  5. Step 5: Solve for x
    x = 237,355,882,219.17/555,761.25
  6. Step 6: Final answer
    x = 427,082.46

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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.