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Finding the Fourth Proportional to 359,458.13, 496,027.69 and 198,315.88

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Solution

The fourth proportional to 359,458.13, 496,027.69 and 198,315.88 is: 273,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,458.13 : 496,027.69 = 198,315.88 : x
  2. Step 2: Convert to fraction form
    359,458.13/496,027.69 = 198,315.88/x
  3. Step 3: Cross multiply
    359,458.13x = 496,027.69 × 198,315.88
  4. Step 4: Simplify right side
    359,458.13x = 98,370,166,110.86
  5. Step 5: Solve for x
    x = 98,370,166,110.86/359,458.13
  6. Step 6: Final answer
    x = 273,662.37

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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.