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Finding the Fourth Proportional to 231,479.60, 347,737.80 and 222,033.20

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Solution

The fourth proportional to 231,479.60, 347,737.80 and 222,033.20 is: 333,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,479.60 : 347,737.80 = 222,033.20 : x
  2. Step 2: Convert to fraction form
    231,479.60/347,737.80 = 222,033.20/x
  3. Step 3: Cross multiply
    231,479.60x = 347,737.80 × 222,033.20
  4. Step 4: Simplify right side
    231,479.60x = 77,209,336,494.96
  5. Step 5: Solve for x
    x = 77,209,336,494.96/231,479.60
  6. Step 6: Final answer
    x = 333,547.04

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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.