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Finding the Fourth Proportional to 349,204.62, 523,806.90 and 99,886.62

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Solution

The fourth proportional to 349,204.62, 523,806.90 and 99,886.62 is: 149,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,204.62 : 523,806.90 = 99,886.62 : x
  2. Step 2: Convert to fraction form
    349,204.62/523,806.90 = 99,886.62/x
  3. Step 3: Cross multiply
    349,204.62x = 523,806.90 × 99,886.62
  4. Step 4: Simplify right side
    349,204.62x = 52,321,300,773.68
  5. Step 5: Solve for x
    x = 52,321,300,773.68/349,204.62
  6. Step 6: Final answer
    x = 149,829.92

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Double scale
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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.