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Finding the Fourth Proportional to 359,633.32, 496,291.53 and 198,488.36

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Solution

The fourth proportional to 359,633.32, 496,291.53 and 198,488.36 is: 273,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,633.32 : 496,291.53 = 198,488.36 : x
  2. Step 2: Convert to fraction form
    359,633.32/496,291.53 = 198,488.36/x
  3. Step 3: Cross multiply
    359,633.32x = 496,291.53 × 198,488.36
  4. Step 4: Simplify right side
    359,633.32x = 98,508,091,871.59
  5. Step 5: Solve for x
    x = 98,508,091,871.59/359,633.32
  6. Step 6: Final answer
    x = 273,912.58

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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.