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Finding the Fourth Proportional to 359,422.65, 496,001.83 and 198,287.73

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Solution

The fourth proportional to 359,422.65, 496,001.83 and 198,287.73 is: 273,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,422.65 : 496,001.83 = 198,287.73 : x
  2. Step 2: Convert to fraction form
    359,422.65/496,001.83 = 198,287.73/x
  3. Step 3: Cross multiply
    359,422.65x = 496,001.83 × 198,287.73
  4. Step 4: Simplify right side
    359,422.65x = 98,351,075,955.11
  5. Step 5: Solve for x
    x = 98,351,075,955.11/359,422.65
  6. Step 6: Final answer
    x = 273,636.28

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1.5x scale

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.