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Finding the Fourth Proportional to 359,594.45, 539,479.49 and 119,707.89

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Solution

The fourth proportional to 359,594.45, 539,479.49 and 119,707.89 is: 179,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,594.45 : 539,479.49 = 119,707.89 : x
  2. Step 2: Convert to fraction form
    359,594.45/539,479.49 = 119,707.89/x
  3. Step 3: Cross multiply
    359,594.45x = 539,479.49 × 119,707.89
  4. Step 4: Simplify right side
    359,594.45x = 64,579,949,497.95
  5. Step 5: Solve for x
    x = 64,579,949,497.95/359,594.45
  6. Step 6: Final answer
    x = 179,591.06

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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.