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Finding the Fourth Proportional to 359,483.40, 496,089.84 and 198,344.34

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Solution

The fourth proportional to 359,483.40, 496,089.84 and 198,344.34 is: 273,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,483.40 : 496,089.84 = 198,344.34 : x
  2. Step 2: Convert to fraction form
    359,483.40/496,089.84 = 198,344.34/x
  3. Step 3: Cross multiply
    359,483.40x = 496,089.84 × 198,344.34
  4. Step 4: Simplify right side
    359,483.40x = 98,396,611,895.51
  5. Step 5: Solve for x
    x = 98,396,611,895.51/359,483.40
  6. Step 6: Final answer
    x = 273,716.71

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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.