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Finding the Fourth Proportional to 552,911.97, 829,322.31 and 153,562.14

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Solution

The fourth proportional to 552,911.97, 829,322.31 and 153,562.14 is: 230,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,911.97 : 829,322.31 = 153,562.14 : x
  2. Step 2: Convert to fraction form
    552,911.97/829,322.31 = 153,562.14/x
  3. Step 3: Cross multiply
    552,911.97x = 829,322.31 × 153,562.14
  4. Step 4: Simplify right side
    552,911.97x = 127,352,508,673.34
  5. Step 5: Solve for x
    x = 127,352,508,673.34/552,911.97
  6. Step 6: Final answer
    x = 230,330.53

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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.