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Finding the Fourth Proportional to 359,639.09, 496,302.95 and 196,297.07

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Solution

The fourth proportional to 359,639.09, 496,302.95 and 196,297.07 is: 270,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,639.09 : 496,302.95 = 196,297.07 : x
  2. Step 2: Convert to fraction form
    359,639.09/496,302.95 = 196,297.07/x
  3. Step 3: Cross multiply
    359,639.09x = 496,302.95 × 196,297.07
  4. Step 4: Simplify right side
    359,639.09x = 97,422,814,614.12
  5. Step 5: Solve for x
    x = 97,422,814,614.12/359,639.09
  6. Step 6: Final answer
    x = 270,890.51

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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.