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Finding the Fourth Proportional to 293,213.88, 404,644.32 and 165,886.92

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Solution

The fourth proportional to 293,213.88, 404,644.32 and 165,886.92 is: 228,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,213.88 : 404,644.32 = 165,886.92 : x
  2. Step 2: Convert to fraction form
    293,213.88/404,644.32 = 165,886.92/x
  3. Step 3: Cross multiply
    293,213.88x = 404,644.32 × 165,886.92
  4. Step 4: Simplify right side
    293,213.88x = 67,125,199,940.29
  5. Step 5: Solve for x
    x = 67,125,199,940.29/293,213.88
  6. Step 6: Final answer
    x = 228,929.14

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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.