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Finding the Fourth Proportional to 359,679.22, 496,357.37 and 198,534.31

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Solution

The fourth proportional to 359,679.22, 496,357.37 and 198,534.31 is: 273,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,679.22 : 496,357.37 = 198,534.31 : x
  2. Step 2: Convert to fraction form
    359,679.22/496,357.37 = 198,534.31/x
  3. Step 3: Cross multiply
    359,679.22x = 496,357.37 × 198,534.31
  4. Step 4: Simplify right side
    359,679.22x = 98,543,966,477.30
  5. Step 5: Solve for x
    x = 98,543,966,477.30/359,679.22
  6. Step 6: Final answer
    x = 273,977.37

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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.