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Finding the Fourth Proportional to 441,708.30, 662,562.45 and 242,642.70

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Solution

The fourth proportional to 441,708.30, 662,562.45 and 242,642.70 is: 363,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,708.30 : 662,562.45 = 242,642.70 : x
  2. Step 2: Convert to fraction form
    441,708.30/662,562.45 = 242,642.70/x
  3. Step 3: Cross multiply
    441,708.30x = 662,562.45 × 242,642.70
  4. Step 4: Simplify right side
    441,708.30x = 160,765,941,786.62
  5. Step 5: Solve for x
    x = 160,765,941,786.62/441,708.30
  6. Step 6: Final answer
    x = 363,964.05

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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.