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Finding the Fourth Proportional to 359,518.47, 496,145.88 and 198,383.90

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Solution

The fourth proportional to 359,518.47, 496,145.88 and 198,383.90 is: 273,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,518.47 : 496,145.88 = 198,383.90 : x
  2. Step 2: Convert to fraction form
    359,518.47/496,145.88 = 198,383.90/x
  3. Step 3: Cross multiply
    359,518.47x = 496,145.88 × 198,383.90
  4. Step 4: Simplify right side
    359,518.47x = 98,427,352,162.60
  5. Step 5: Solve for x
    x = 98,427,352,162.60/359,518.47
  6. Step 6: Final answer
    x = 273,775.51

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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.