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Finding the Fourth Proportional to 359,283.54, 495,790.29 and 206,286.42

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Solution

The fourth proportional to 359,283.54, 495,790.29 and 206,286.42 is: 284,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,283.54 : 495,790.29 = 206,286.42 : x
  2. Step 2: Convert to fraction form
    359,283.54/495,790.29 = 206,286.42/x
  3. Step 3: Cross multiply
    359,283.54x = 495,790.29 × 206,286.42
  4. Step 4: Simplify right side
    359,283.54x = 102,274,803,994.86
  5. Step 5: Solve for x
    x = 102,274,803,994.86/359,283.54
  6. Step 6: Final answer
    x = 284,663.20

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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.