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Finding the Fourth Proportional to 296,273.51, 408,857.18 and 167,239.15

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Solution

The fourth proportional to 296,273.51, 408,857.18 and 167,239.15 is: 230,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,273.51 : 408,857.18 = 167,239.15 : x
  2. Step 2: Convert to fraction form
    296,273.51/408,857.18 = 167,239.15/x
  3. Step 3: Cross multiply
    296,273.51x = 408,857.18 × 167,239.15
  4. Step 4: Simplify right side
    296,273.51x = 68,376,925,396.26
  5. Step 5: Solve for x
    x = 68,376,925,396.26/296,273.51
  6. Step 6: Final answer
    x = 230,789.87

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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.