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Finding the Fourth Proportional to 294,838.60, 406,877.40 and 167,514.40

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Solution

The fourth proportional to 294,838.60, 406,877.40 and 167,514.40 is: 231,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,838.60 : 406,877.40 = 167,514.40 : x
  2. Step 2: Convert to fraction form
    294,838.60/406,877.40 = 167,514.40/x
  3. Step 3: Cross multiply
    294,838.60x = 406,877.40 × 167,514.40
  4. Step 4: Simplify right side
    294,838.60x = 68,157,823,534.56
  5. Step 5: Solve for x
    x = 68,157,823,534.56/294,838.60
  6. Step 6: Final answer
    x = 231,169.95

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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.