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Finding the Fourth Proportional to 262,359.98, 393,207.79 and 167,553.53

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Solution

The fourth proportional to 262,359.98, 393,207.79 and 167,553.53 is: 251,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,359.98 : 393,207.79 = 167,553.53 : x
  2. Step 2: Convert to fraction form
    262,359.98/393,207.79 = 167,553.53/x
  3. Step 3: Cross multiply
    262,359.98x = 393,207.79 × 167,553.53
  4. Step 4: Simplify right side
    262,359.98x = 65,883,353,238.00
  5. Step 5: Solve for x
    x = 65,883,353,238.00/262,359.98
  6. Step 6: Final answer
    x = 251,118.15

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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.