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Finding the Fourth Proportional to 311,902.90, 466,686.60 and 222,153.10

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Solution

The fourth proportional to 311,902.90, 466,686.60 and 222,153.10 is: 332,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,902.90 : 466,686.60 = 222,153.10 : x
  2. Step 2: Convert to fraction form
    311,902.90/466,686.60 = 222,153.10/x
  3. Step 3: Cross multiply
    311,902.90x = 466,686.60 × 222,153.10
  4. Step 4: Simplify right side
    311,902.90x = 103,675,874,918.46
  5. Step 5: Solve for x
    x = 103,675,874,918.46/311,902.90
  6. Step 6: Final answer
    x = 332,397.92

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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.