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Finding the Fourth Proportional to 359,753.96, 496,447.44 and 198,605.54

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Solution

The fourth proportional to 359,753.96, 496,447.44 and 198,605.54 is: 274,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,753.96 : 496,447.44 = 198,605.54 : x
  2. Step 2: Convert to fraction form
    359,753.96/496,447.44 = 198,605.54/x
  3. Step 3: Cross multiply
    359,753.96x = 496,447.44 × 198,605.54
  4. Step 4: Simplify right side
    359,753.96x = 98,597,211,902.82
  5. Step 5: Solve for x
    x = 98,597,211,902.82/359,753.96
  6. Step 6: Final answer
    x = 274,068.45

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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.