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Finding the Fourth Proportional to 359,495.14, 496,101.90 and 198,360.22

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Solution

The fourth proportional to 359,495.14, 496,101.90 and 198,360.22 is: 273,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,495.14 : 496,101.90 = 198,360.22 : x
  2. Step 2: Convert to fraction form
    359,495.14/496,101.90 = 198,360.22/x
  3. Step 3: Cross multiply
    359,495.14x = 496,101.90 × 198,360.22
  4. Step 4: Simplify right side
    359,495.14x = 98,406,882,026.42
  5. Step 5: Solve for x
    x = 98,406,882,026.42/359,495.14
  6. Step 6: Final answer
    x = 273,736.33

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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.