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Finding the Fourth Proportional to 533,859.75, 736,726.49 and 292,142.33

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Solution

The fourth proportional to 533,859.75, 736,726.49 and 292,142.33 is: 403,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,859.75 : 736,726.49 = 292,142.33 : x
  2. Step 2: Convert to fraction form
    533,859.75/736,726.49 = 292,142.33/x
  3. Step 3: Cross multiply
    533,859.75x = 736,726.49 × 292,142.33
  4. Step 4: Simplify right side
    533,859.75x = 215,228,988,216.98
  5. Step 5: Solve for x
    x = 215,228,988,216.98/533,859.75
  6. Step 6: Final answer
    x = 403,156.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.