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Finding the Fourth Proportional to 359,454.15, 496,046.77 and 198,309.58

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Solution

The fourth proportional to 359,454.15, 496,046.77 and 198,309.58 is: 273,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,454.15 : 496,046.77 = 198,309.58 : x
  2. Step 2: Convert to fraction form
    359,454.15/496,046.77 = 198,309.58/x
  3. Step 3: Cross multiply
    359,454.15x = 496,046.77 × 198,309.58
  4. Step 4: Simplify right side
    359,454.15x = 98,370,824,883.17
  5. Step 5: Solve for x
    x = 98,370,824,883.17/359,454.15
  6. Step 6: Final answer
    x = 273,667.24

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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.