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Finding the Fourth Proportional to 359,596.45, 539,482.49 and 119,709.89

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Solution

The fourth proportional to 359,596.45, 539,482.49 and 119,709.89 is: 179,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,596.45 : 539,482.49 = 119,709.89 : x
  2. Step 2: Convert to fraction form
    359,596.45/539,482.49 = 119,709.89/x
  3. Step 3: Cross multiply
    359,596.45x = 539,482.49 × 119,709.89
  4. Step 4: Simplify right side
    359,596.45x = 64,581,389,534.83
  5. Step 5: Solve for x
    x = 64,581,389,534.83/359,596.45
  6. Step 6: Final answer
    x = 179,594.07

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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.