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Finding the Fourth Proportional to 488,482.40, 732,723.60 and 222,761.90

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Solution

The fourth proportional to 488,482.40, 732,723.60 and 222,761.90 is: 334,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,482.40 : 732,723.60 = 222,761.90 : x
  2. Step 2: Convert to fraction form
    488,482.40/732,723.60 = 222,761.90/x
  3. Step 3: Cross multiply
    488,482.40x = 732,723.60 × 222,761.90
  4. Step 4: Simplify right side
    488,482.40x = 163,222,901,310.84
  5. Step 5: Solve for x
    x = 163,222,901,310.84/488,482.40
  6. Step 6: Final answer
    x = 334,142.85

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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.