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Finding the Fourth Proportional to 600,170.20, 900,255.30 and 156,938.20

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Solution

The fourth proportional to 600,170.20, 900,255.30 and 156,938.20 is: 235,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,170.20 : 900,255.30 = 156,938.20 : x
  2. Step 2: Convert to fraction form
    600,170.20/900,255.30 = 156,938.20/x
  3. Step 3: Cross multiply
    600,170.20x = 900,255.30 × 156,938.20
  4. Step 4: Simplify right side
    600,170.20x = 141,284,446,322.46
  5. Step 5: Solve for x
    x = 141,284,446,322.46/600,170.20
  6. Step 6: Final answer
    x = 235,407.30

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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.