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Finding the Fourth Proportional to 359,578.32, 539,367.80 and 122,922.96

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Solution

The fourth proportional to 359,578.32, 539,367.80 and 122,922.96 is: 184,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,578.32 : 539,367.80 = 122,922.96 : x
  2. Step 2: Convert to fraction form
    359,578.32/539,367.80 = 122,922.96/x
  3. Step 3: Cross multiply
    359,578.32x = 539,367.80 × 122,922.96
  4. Step 4: Simplify right side
    359,578.32x = 66,300,686,504.69
  5. Step 5: Solve for x
    x = 66,300,686,504.69/359,578.32
  6. Step 6: Final answer
    x = 184,384.55

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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.