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Finding the Fourth Proportional to 325,165.60, 487,359.60 and 167,312.80

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Solution

The fourth proportional to 325,165.60, 487,359.60 and 167,312.80 is: 250,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,165.60 : 487,359.60 = 167,312.80 : x
  2. Step 2: Convert to fraction form
    325,165.60/487,359.60 = 167,312.80/x
  3. Step 3: Cross multiply
    325,165.60x = 487,359.60 × 167,312.80
  4. Step 4: Simplify right side
    325,165.60x = 81,541,499,282.88
  5. Step 5: Solve for x
    x = 81,541,499,282.88/325,165.60
  6. Step 6: Final answer
    x = 250,769.14

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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.