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Finding the Fourth Proportional to 359,680.34, 496,356.10 and 198,535.30

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Solution

The fourth proportional to 359,680.34, 496,356.10 and 198,535.30 is: 273,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,680.34 : 496,356.10 = 198,535.30 : x
  2. Step 2: Convert to fraction form
    359,680.34/496,356.10 = 198,535.30/x
  3. Step 3: Cross multiply
    359,680.34x = 496,356.10 × 198,535.30
  4. Step 4: Simplify right side
    359,680.34x = 98,544,207,220.33
  5. Step 5: Solve for x
    x = 98,544,207,220.33/359,680.34
  6. Step 6: Final answer
    x = 273,977.19

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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.