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Finding the Fourth Proportional to 359,507.77, 496,131.10 and 198,373.20

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Solution

The fourth proportional to 359,507.77, 496,131.10 and 198,373.20 is: 273,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,507.77 : 496,131.10 = 198,373.20 : x
  2. Step 2: Convert to fraction form
    359,507.77/496,131.10 = 198,373.20/x
  3. Step 3: Cross multiply
    359,507.77x = 496,131.10 × 198,373.20
  4. Step 4: Simplify right side
    359,507.77x = 98,419,112,313.99
  5. Step 5: Solve for x
    x = 98,419,112,313.99/359,507.77
  6. Step 6: Final answer
    x = 273,760.74

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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.