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Finding the Fourth Proportional to 616,750.13, 925,261.28 and 262,067.33

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Solution

The fourth proportional to 616,750.13, 925,261.28 and 262,067.33 is: 393,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,750.13 : 925,261.28 = 262,067.33 : x
  2. Step 2: Convert to fraction form
    616,750.13/925,261.28 = 262,067.33/x
  3. Step 3: Cross multiply
    616,750.13x = 925,261.28 × 262,067.33
  4. Step 4: Simplify right side
    616,750.13x = 242,480,747,265.34
  5. Step 5: Solve for x
    x = 242,480,747,265.34/616,750.13
  6. Step 6: Final answer
    x = 393,158.81

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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.