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Finding the Fourth Proportional to 483,897.40, 725,799.17 and 146,940.97

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Solution

The fourth proportional to 483,897.40, 725,799.17 and 146,940.97 is: 220,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,897.40 : 725,799.17 = 146,940.97 : x
  2. Step 2: Convert to fraction form
    483,897.40/725,799.17 = 146,940.97/x
  3. Step 3: Cross multiply
    483,897.40x = 725,799.17 × 146,940.97
  4. Step 4: Simplify right side
    483,897.40x = 106,649,634,156.83
  5. Step 5: Solve for x
    x = 106,649,634,156.83/483,897.40
  6. Step 6: Final answer
    x = 220,397.20

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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.