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Finding the Fourth Proportional to 564,769.92, 847,155.18 and 354,555.48

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Solution

The fourth proportional to 564,769.92, 847,155.18 and 354,555.48 is: 531,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,769.92 : 847,155.18 = 354,555.48 : x
  2. Step 2: Convert to fraction form
    564,769.92/847,155.18 = 354,555.48/x
  3. Step 3: Cross multiply
    564,769.92x = 847,155.18 × 354,555.48
  4. Step 4: Simplify right side
    564,769.92x = 300,363,511,479.39
  5. Step 5: Solve for x
    x = 300,363,511,479.39/564,769.92
  6. Step 6: Final answer
    x = 531,833.41

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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.