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Finding the Fourth Proportional to 359,452.98, 496,072.62 and 198,339.12

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Solution

The fourth proportional to 359,452.98, 496,072.62 and 198,339.12 is: 273,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,452.98 : 496,072.62 = 198,339.12 : x
  2. Step 2: Convert to fraction form
    359,452.98/496,072.62 = 198,339.12/x
  3. Step 3: Cross multiply
    359,452.98x = 496,072.62 × 198,339.12
  4. Step 4: Simplify right side
    359,452.98x = 98,390,606,906.89
  5. Step 5: Solve for x
    x = 98,390,606,906.89/359,452.98
  6. Step 6: Final answer
    x = 273,723.16

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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.