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Finding the Fourth Proportional to 437,479.62, 656,274.18 and 171,205.74

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Solution

The fourth proportional to 437,479.62, 656,274.18 and 171,205.74 is: 256,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,479.62 : 656,274.18 = 171,205.74 : x
  2. Step 2: Convert to fraction form
    437,479.62/656,274.18 = 171,205.74/x
  3. Step 3: Cross multiply
    437,479.62x = 656,274.18 × 171,205.74
  4. Step 4: Simplify right side
    437,479.62x = 112,357,906,629.79
  5. Step 5: Solve for x
    x = 112,357,906,629.79/437,479.62
  6. Step 6: Final answer
    x = 256,830.04

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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.