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Finding the Fourth Proportional to 322,166.16, 483,211.71 and 85,527.23

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Solution

The fourth proportional to 322,166.16, 483,211.71 and 85,527.23 is: 128,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,166.16 : 483,211.71 = 85,527.23 : x
  2. Step 2: Convert to fraction form
    322,166.16/483,211.71 = 85,527.23/x
  3. Step 3: Cross multiply
    322,166.16x = 483,211.71 × 85,527.23
  4. Step 4: Simplify right side
    322,166.16x = 41,327,756,643.80
  5. Step 5: Solve for x
    x = 41,327,756,643.80/322,166.16
  6. Step 6: Final answer
    x = 128,280.87

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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.