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Finding the Fourth Proportional to 359,705.46, 496,387.56 and 198,556.34

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Solution

The fourth proportional to 359,705.46, 496,387.56 and 198,556.34 is: 274,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,705.46 : 496,387.56 = 198,556.34 : x
  2. Step 2: Convert to fraction form
    359,705.46/496,387.56 = 198,556.34/x
  3. Step 3: Cross multiply
    359,705.46x = 496,387.56 × 198,556.34
  4. Step 4: Simplify right side
    359,705.46x = 98,560,897,135.13
  5. Step 5: Solve for x
    x = 98,560,897,135.13/359,705.46
  6. Step 6: Final answer
    x = 274,004.45

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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.