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Finding the Fourth Proportional to 359,361.27, 539,392.49 and 296,818.54

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Solution

The fourth proportional to 359,361.27, 539,392.49 and 296,818.54 is: 445,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,361.27 : 539,392.49 = 296,818.54 : x
  2. Step 2: Convert to fraction form
    359,361.27/539,392.49 = 296,818.54/x
  3. Step 3: Cross multiply
    359,361.27x = 539,392.49 × 296,818.54
  4. Step 4: Simplify right side
    359,361.27x = 160,101,691,368.77
  5. Step 5: Solve for x
    x = 160,101,691,368.77/359,361.27
  6. Step 6: Final answer
    x = 445,517.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.