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Finding the Fourth Proportional to 564,772.92, 847,159.68 and 354,558.48

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Solution

The fourth proportional to 564,772.92, 847,159.68 and 354,558.48 is: 531,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,772.92 : 847,159.68 = 354,558.48 : x
  2. Step 2: Convert to fraction form
    564,772.92/847,159.68 = 354,558.48/x
  3. Step 3: Cross multiply
    564,772.92x = 847,159.68 × 354,558.48
  4. Step 4: Simplify right side
    564,772.92x = 300,367,648,458.09
  5. Step 5: Solve for x
    x = 300,367,648,458.09/564,772.92
  6. Step 6: Final answer
    x = 531,837.91

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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.