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Finding the Fourth Proportional to 571,862.76, 857,801.44 and 151,135

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Solution

The fourth proportional to 571,862.76, 857,801.44 and 151,135 is: 226,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,862.76 : 857,801.44 = 151,135 : x
  2. Step 2: Convert to fraction form
    571,862.76/857,801.44 = 151,135/x
  3. Step 3: Cross multiply
    571,862.76x = 857,801.44 × 151,135
  4. Step 4: Simplify right side
    571,862.76x = 129,643,820,634.40
  5. Step 5: Solve for x
    x = 129,643,820,634.40/571,862.76
  6. Step 6: Final answer
    x = 226,704.43

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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.