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Finding the Fourth Proportional to 349,708.80, 524,692.80 and 113,059.20

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Solution

The fourth proportional to 349,708.80, 524,692.80 and 113,059.20 is: 169,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,708.80 : 524,692.80 = 113,059.20 : x
  2. Step 2: Convert to fraction form
    349,708.80/524,692.80 = 113,059.20/x
  3. Step 3: Cross multiply
    349,708.80x = 524,692.80 × 113,059.20
  4. Step 4: Simplify right side
    349,708.80x = 59,321,348,213.76
  5. Step 5: Solve for x
    x = 59,321,348,213.76/349,708.80
  6. Step 6: Final answer
    x = 169,630.70

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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.