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Finding the Fourth Proportional to 359,401.05, 537,979.73 and 264,737.97

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Solution

The fourth proportional to 359,401.05, 537,979.73 and 264,737.97 is: 396,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,401.05 : 537,979.73 = 264,737.97 : x
  2. Step 2: Convert to fraction form
    359,401.05/537,979.73 = 264,737.97/x
  3. Step 3: Cross multiply
    359,401.05x = 537,979.73 × 264,737.97
  4. Step 4: Simplify right side
    359,401.05x = 142,423,660,297.66
  5. Step 5: Solve for x
    x = 142,423,660,297.66/359,401.05
  6. Step 6: Final answer
    x = 396,280.59

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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.