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Finding the Fourth Proportional to 555,115.28, 832,578.20 and 200,058.64

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Solution

The fourth proportional to 555,115.28, 832,578.20 and 200,058.64 is: 300,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,115.28 : 832,578.20 = 200,058.64 : x
  2. Step 2: Convert to fraction form
    555,115.28/832,578.20 = 200,058.64/x
  3. Step 3: Cross multiply
    555,115.28x = 832,578.20 × 200,058.64
  4. Step 4: Simplify right side
    555,115.28x = 166,564,462,385.65
  5. Step 5: Solve for x
    x = 166,564,462,385.65/555,115.28
  6. Step 6: Final answer
    x = 300,053.82

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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.