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Finding the Fourth Proportional to 488,491.40, 732,737.10 and 222,770.90

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Solution

The fourth proportional to 488,491.40, 732,737.10 and 222,770.90 is: 334,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,491.40 : 732,737.10 = 222,770.90 : x
  2. Step 2: Convert to fraction form
    488,491.40/732,737.10 = 222,770.90/x
  3. Step 3: Cross multiply
    488,491.40x = 732,737.10 × 222,770.90
  4. Step 4: Simplify right side
    488,491.40x = 163,232,503,230.39
  5. Step 5: Solve for x
    x = 163,232,503,230.39/488,491.40
  6. Step 6: Final answer
    x = 334,156.35

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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.