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Finding the Fourth Proportional to 591,159.72, 885,996 and 253,801.20

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Solution

The fourth proportional to 591,159.72, 885,996 and 253,801.20 is: 380,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,159.72 : 885,996 = 253,801.20 : x
  2. Step 2: Convert to fraction form
    591,159.72/885,996 = 253,801.20/x
  3. Step 3: Cross multiply
    591,159.72x = 885,996 × 253,801.20
  4. Step 4: Simplify right side
    591,159.72x = 224,866,847,995.20
  5. Step 5: Solve for x
    x = 224,866,847,995.20/591,159.72
  6. Step 6: Final answer
    x = 380,382.56

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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.