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Finding the Fourth Proportional to 348,154.20, 522,231.30 and 171,007.20

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Solution

The fourth proportional to 348,154.20, 522,231.30 and 171,007.20 is: 256,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,154.20 : 522,231.30 = 171,007.20 : x
  2. Step 2: Convert to fraction form
    348,154.20/522,231.30 = 171,007.20/x
  3. Step 3: Cross multiply
    348,154.20x = 522,231.30 × 171,007.20
  4. Step 4: Simplify right side
    348,154.20x = 89,305,312,365.36
  5. Step 5: Solve for x
    x = 89,305,312,365.36/348,154.20
  6. Step 6: Final answer
    x = 256,510.80

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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.