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Finding the Fourth Proportional to 662,959.60, 994,439.40 and 242,180.80

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Solution

The fourth proportional to 662,959.60, 994,439.40 and 242,180.80 is: 363,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,959.60 : 994,439.40 = 242,180.80 : x
  2. Step 2: Convert to fraction form
    662,959.60/994,439.40 = 242,180.80/x
  3. Step 3: Cross multiply
    662,959.60x = 994,439.40 × 242,180.80
  4. Step 4: Simplify right side
    662,959.60x = 240,834,129,443.52
  5. Step 5: Solve for x
    x = 240,834,129,443.52/662,959.60
  6. Step 6: Final answer
    x = 363,271.20

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Similar ratio
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1.5x scale

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.