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Finding the Fourth Proportional to 259,861.50, 389,792.25 and 62,869.50

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Solution

The fourth proportional to 259,861.50, 389,792.25 and 62,869.50 is: 94,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,861.50 : 389,792.25 = 62,869.50 : x
  2. Step 2: Convert to fraction form
    259,861.50/389,792.25 = 62,869.50/x
  3. Step 3: Cross multiply
    259,861.50x = 389,792.25 × 62,869.50
  4. Step 4: Simplify right side
    259,861.50x = 24,506,043,861.38
  5. Step 5: Solve for x
    x = 24,506,043,861.38/259,861.50
  6. Step 6: Final answer
    x = 94,304.25

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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.