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Finding the Fourth Proportional to 359,825.19, 539,740.28 and 247,163.93

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Solution

The fourth proportional to 359,825.19, 539,740.28 and 247,163.93 is: 370,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,825.19 : 539,740.28 = 247,163.93 : x
  2. Step 2: Convert to fraction form
    359,825.19/539,740.28 = 247,163.93/x
  3. Step 3: Cross multiply
    359,825.19x = 539,740.28 × 247,163.93
  4. Step 4: Simplify right side
    359,825.19x = 133,404,324,849.58
  5. Step 5: Solve for x
    x = 133,404,324,849.58/359,825.19
  6. Step 6: Final answer
    x = 370,747.60

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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.