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Finding the Fourth Proportional to 363,497.79, 545,086.30 and 194,967.57

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Solution

The fourth proportional to 363,497.79, 545,086.30 and 194,967.57 is: 292,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,497.79 : 545,086.30 = 194,967.57 : x
  2. Step 2: Convert to fraction form
    363,497.79/545,086.30 = 194,967.57/x
  3. Step 3: Cross multiply
    363,497.79x = 545,086.30 × 194,967.57
  4. Step 4: Simplify right side
    363,497.79x = 106,274,151,351.29
  5. Step 5: Solve for x
    x = 106,274,151,351.29/363,497.79
  6. Step 6: Final answer
    x = 292,365.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.