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Finding the Fourth Proportional to 620,596.59, 930,876.27 and 171,344.88

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Solution

The fourth proportional to 620,596.59, 930,876.27 and 171,344.88 is: 257,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,596.59 : 930,876.27 = 171,344.88 : x
  2. Step 2: Convert to fraction form
    620,596.59/930,876.27 = 171,344.88/x
  3. Step 3: Cross multiply
    620,596.59x = 930,876.27 × 171,344.88
  4. Step 4: Simplify right side
    620,596.59x = 159,500,882,778.00
  5. Step 5: Solve for x
    x = 159,500,882,778.00/620,596.59
  6. Step 6: Final answer
    x = 257,012.18

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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.