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Finding the Fourth Proportional to 359,497.40, 496,106.04 and 198,352.43

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Solution

The fourth proportional to 359,497.40, 496,106.04 and 198,352.43 is: 273,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.40 : 496,106.04 = 198,352.43 : x
  2. Step 2: Convert to fraction form
    359,497.40/496,106.04 = 198,352.43/x
  3. Step 3: Cross multiply
    359,497.40x = 496,106.04 × 198,352.43
  4. Step 4: Simplify right side
    359,497.40x = 98,403,837,579.92
  5. Step 5: Solve for x
    x = 98,403,837,579.92/359,497.40
  6. Step 6: Final answer
    x = 273,726.15

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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.