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Finding the Fourth Proportional to 662,663.40, 994,254.30 and 241,981.80

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Solution

The fourth proportional to 662,663.40, 994,254.30 and 241,981.80 is: 363,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,663.40 : 994,254.30 = 241,981.80 : x
  2. Step 2: Convert to fraction form
    662,663.40/994,254.30 = 241,981.80/x
  3. Step 3: Cross multiply
    662,663.40x = 994,254.30 × 241,981.80
  4. Step 4: Simplify right side
    662,663.40x = 240,591,445,171.74
  5. Step 5: Solve for x
    x = 240,591,445,171.74/662,663.40
  6. Step 6: Final answer
    x = 363,067.35

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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.