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Finding the Fourth Proportional to 359,426.43, 496,008.99 and 198,281.16

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Solution

The fourth proportional to 359,426.43, 496,008.99 and 198,281.16 is: 273,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,426.43 : 496,008.99 = 198,281.16 : x
  2. Step 2: Convert to fraction form
    359,426.43/496,008.99 = 198,281.16/x
  3. Step 3: Cross multiply
    359,426.43x = 496,008.99 × 198,281.16
  4. Step 4: Simplify right side
    359,426.43x = 98,349,237,907.63
  5. Step 5: Solve for x
    x = 98,349,237,907.63/359,426.43
  6. Step 6: Final answer
    x = 273,628.29

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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.