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Finding the Fourth Proportional to 359,457.93, 496,048.52 and 198,314.28

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Solution

The fourth proportional to 359,457.93, 496,048.52 and 198,314.28 is: 273,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,457.93 : 496,048.52 = 198,314.28 : x
  2. Step 2: Convert to fraction form
    359,457.93/496,048.52 = 198,314.28/x
  3. Step 3: Cross multiply
    359,457.93x = 496,048.52 × 198,314.28
  4. Step 4: Simplify right side
    359,457.93x = 98,373,505,584.65
  5. Step 5: Solve for x
    x = 98,373,505,584.65/359,457.93
  6. Step 6: Final answer
    x = 273,671.82

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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.