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Finding the Fourth Proportional to 359,500.65, 496,113.56 and 198,361.68

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Solution

The fourth proportional to 359,500.65, 496,113.56 and 198,361.68 is: 273,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,500.65 : 496,113.56 = 198,361.68 : x
  2. Step 2: Convert to fraction form
    359,500.65/496,113.56 = 198,361.68/x
  3. Step 3: Cross multiply
    359,500.65x = 496,113.56 × 198,361.68
  4. Step 4: Simplify right side
    359,500.65x = 98,409,918,240.57
  5. Step 5: Solve for x
    x = 98,409,918,240.57/359,500.65
  6. Step 6: Final answer
    x = 273,740.59

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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.