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Finding the Fourth Proportional to 299,582.16, 413,425.80 and 165,446.16

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Solution

The fourth proportional to 299,582.16, 413,425.80 and 165,446.16 is: 228,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,582.16 : 413,425.80 = 165,446.16 : x
  2. Step 2: Convert to fraction form
    299,582.16/413,425.80 = 165,446.16/x
  3. Step 3: Cross multiply
    299,582.16x = 413,425.80 × 165,446.16
  4. Step 4: Simplify right side
    299,582.16x = 68,399,711,054.93
  5. Step 5: Solve for x
    x = 68,399,711,054.93/299,582.16
  6. Step 6: Final answer
    x = 228,317.04

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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.