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Finding the Fourth Proportional to 359,431.22, 495,925.92 and 236,910.02

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Solution

The fourth proportional to 359,431.22, 495,925.92 and 236,910.02 is: 326,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,431.22 : 495,925.92 = 236,910.02 : x
  2. Step 2: Convert to fraction form
    359,431.22/495,925.92 = 236,910.02/x
  3. Step 3: Cross multiply
    359,431.22x = 495,925.92 × 236,910.02
  4. Step 4: Simplify right side
    359,431.22x = 117,489,817,146.09
  5. Step 5: Solve for x
    x = 117,489,817,146.09/359,431.22
  6. Step 6: Final answer
    x = 326,877.06

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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.