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Finding the Fourth Proportional to 359,532.93, 496,154.86 and 198,387.85

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Solution

The fourth proportional to 359,532.93, 496,154.86 and 198,387.85 is: 273,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,532.93 : 496,154.86 = 198,387.85 : x
  2. Step 2: Convert to fraction form
    359,532.93/496,154.86 = 198,387.85/x
  3. Step 3: Cross multiply
    359,532.93x = 496,154.86 × 198,387.85
  4. Step 4: Simplify right side
    359,532.93x = 98,431,095,942.45
  5. Step 5: Solve for x
    x = 98,431,095,942.45/359,532.93
  6. Step 6: Final answer
    x = 273,774.91

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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.