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Finding the Fourth Proportional to 359,674.20, 496,362.42 and 196,340.40

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Solution

The fourth proportional to 359,674.20, 496,362.42 and 196,340.40 is: 270,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,674.20 : 496,362.42 = 196,340.40 : x
  2. Step 2: Convert to fraction form
    359,674.20/496,362.42 = 196,340.40/x
  3. Step 3: Cross multiply
    359,674.20x = 496,362.42 × 196,340.40
  4. Step 4: Simplify right side
    359,674.20x = 97,455,996,087.77
  5. Step 5: Solve for x
    x = 97,455,996,087.77/359,674.20
  6. Step 6: Final answer
    x = 270,956.32

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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.