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Finding the Fourth Proportional to 607,459.89, 911,180.27 and 158,170.82

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Solution

The fourth proportional to 607,459.89, 911,180.27 and 158,170.82 is: 237,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,459.89 : 911,180.27 = 158,170.82 : x
  2. Step 2: Convert to fraction form
    607,459.89/911,180.27 = 158,170.82/x
  3. Step 3: Cross multiply
    607,459.89x = 911,180.27 × 158,170.82
  4. Step 4: Simplify right side
    607,459.89x = 144,122,125,126.97
  5. Step 5: Solve for x
    x = 144,122,125,126.97/607,459.89
  6. Step 6: Final answer
    x = 237,253.73

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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.