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Finding the Fourth Proportional to 349,220.60, 523,830.90 and 124,834.40

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Solution

The fourth proportional to 349,220.60, 523,830.90 and 124,834.40 is: 187,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,220.60 : 523,830.90 = 124,834.40 : x
  2. Step 2: Convert to fraction form
    349,220.60/523,830.90 = 124,834.40/x
  3. Step 3: Cross multiply
    349,220.60x = 523,830.90 × 124,834.40
  4. Step 4: Simplify right side
    349,220.60x = 65,392,116,102.96
  5. Step 5: Solve for x
    x = 65,392,116,102.96/349,220.60
  6. Step 6: Final answer
    x = 187,251.60

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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.