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Finding the Fourth Proportional to 359,763.73, 496,490.57 and 198,641.65

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Solution

The fourth proportional to 359,763.73, 496,490.57 and 198,641.65 is: 274,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,763.73 : 496,490.57 = 198,641.65 : x
  2. Step 2: Convert to fraction form
    359,763.73/496,490.57 = 198,641.65/x
  3. Step 3: Cross multiply
    359,763.73x = 496,490.57 × 198,641.65
  4. Step 4: Simplify right side
    359,763.73x = 98,623,705,041.03
  5. Step 5: Solve for x
    x = 98,623,705,041.03/359,763.73
  6. Step 6: Final answer
    x = 274,134.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.