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Finding the Fourth Proportional to 435,770.20, 653,655.30 and 277,528.60

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Solution

The fourth proportional to 435,770.20, 653,655.30 and 277,528.60 is: 416,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,770.20 : 653,655.30 = 277,528.60 : x
  2. Step 2: Convert to fraction form
    435,770.20/653,655.30 = 277,528.60/x
  3. Step 3: Cross multiply
    435,770.20x = 653,655.30 × 277,528.60
  4. Step 4: Simplify right side
    435,770.20x = 181,408,040,291.58
  5. Step 5: Solve for x
    x = 181,408,040,291.58/435,770.20
  6. Step 6: Final answer
    x = 416,292.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.