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Finding the Fourth Proportional to 308,725.04, 426,028.92 and 174,591.92

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Solution

The fourth proportional to 308,725.04, 426,028.92 and 174,591.92 is: 240,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,725.04 : 426,028.92 = 174,591.92 : x
  2. Step 2: Convert to fraction form
    308,725.04/426,028.92 = 174,591.92/x
  3. Step 3: Cross multiply
    308,725.04x = 426,028.92 × 174,591.92
  4. Step 4: Simplify right side
    308,725.04x = 74,381,207,118.33
  5. Step 5: Solve for x
    x = 74,381,207,118.33/308,725.04
  6. Step 6: Final answer
    x = 240,930.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.