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Finding the Fourth Proportional to 662,862.40, 994,552.80 and 242,180.80

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Solution

The fourth proportional to 662,862.40, 994,552.80 and 242,180.80 is: 363,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,862.40 : 994,552.80 = 242,180.80 : x
  2. Step 2: Convert to fraction form
    662,862.40/994,552.80 = 242,180.80/x
  3. Step 3: Cross multiply
    662,862.40x = 994,552.80 × 242,180.80
  4. Step 4: Simplify right side
    662,862.40x = 240,861,592,746.24
  5. Step 5: Solve for x
    x = 240,861,592,746.24/662,862.40
  6. Step 6: Final answer
    x = 363,365.90

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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.