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Finding the Fourth Proportional to 359,739.56, 496,437.80 and 198,594.84

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Solution

The fourth proportional to 359,739.56, 496,437.80 and 198,594.84 is: 274,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,739.56 : 496,437.80 = 198,594.84 : x
  2. Step 2: Convert to fraction form
    359,739.56/496,437.80 = 198,594.84/x
  3. Step 3: Cross multiply
    359,739.56x = 496,437.80 × 198,594.84
  4. Step 4: Simplify right side
    359,739.56x = 98,589,985,460.95
  5. Step 5: Solve for x
    x = 98,589,985,460.95/359,739.56
  6. Step 6: Final answer
    x = 274,059.34

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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.