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Finding the Fourth Proportional to 359,460.93, 496,052.66 and 198,317.28

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Solution

The fourth proportional to 359,460.93, 496,052.66 and 198,317.28 is: 273,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,460.93 : 496,052.66 = 198,317.28 : x
  2. Step 2: Convert to fraction form
    359,460.93/496,052.66 = 198,317.28/x
  3. Step 3: Cross multiply
    359,460.93x = 496,052.66 × 198,317.28
  4. Step 4: Simplify right side
    359,460.93x = 98,375,814,267.96
  5. Step 5: Solve for x
    x = 98,375,814,267.96/359,460.93
  6. Step 6: Final answer
    x = 273,675.96

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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.