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Finding the Fourth Proportional to 552,912.73, 829,276.45 and 153,593.87

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Solution

The fourth proportional to 552,912.73, 829,276.45 and 153,593.87 is: 230,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,912.73 : 829,276.45 = 153,593.87 : x
  2. Step 2: Convert to fraction form
    552,912.73/829,276.45 = 153,593.87/x
  3. Step 3: Cross multiply
    552,912.73x = 829,276.45 × 153,593.87
  4. Step 4: Simplify right side
    552,912.73x = 127,371,774,725.00
  5. Step 5: Solve for x
    x = 127,371,774,725.00/552,912.73
  6. Step 6: Final answer
    x = 230,365.06

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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.