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Finding the Fourth Proportional to 359,991.33, 496,784.91 and 198,857.62

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Solution

The fourth proportional to 359,991.33, 496,784.91 and 198,857.62 is: 274,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,991.33 : 496,784.91 = 198,857.62 : x
  2. Step 2: Convert to fraction form
    359,991.33/496,784.91 = 198,857.62/x
  3. Step 3: Cross multiply
    359,991.33x = 496,784.91 × 198,857.62
  4. Step 4: Simplify right side
    359,991.33x = 98,789,464,854.51
  5. Step 5: Solve for x
    x = 98,789,464,854.51/359,991.33
  6. Step 6: Final answer
    x = 274,421.79

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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.