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Finding the Fourth Proportional to 359,723.77, 496,383.42 and 198,568.42

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Solution

The fourth proportional to 359,723.77, 496,383.42 and 198,568.42 is: 274,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,723.77 : 496,383.42 = 198,568.42 : x
  2. Step 2: Convert to fraction form
    359,723.77/496,383.42 = 198,568.42/x
  3. Step 3: Cross multiply
    359,723.77x = 496,383.42 × 198,568.42
  4. Step 4: Simplify right side
    359,723.77x = 98,566,071,423.60
  5. Step 5: Solve for x
    x = 98,566,071,423.60/359,723.77
  6. Step 6: Final answer
    x = 274,004.89

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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.