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Finding the Fourth Proportional to 364,853.89, 503,493.60 and 203,711.68

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Solution

The fourth proportional to 364,853.89, 503,493.60 and 203,711.68 is: 281,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,853.89 : 503,493.60 = 203,711.68 : x
  2. Step 2: Convert to fraction form
    364,853.89/503,493.60 = 203,711.68/x
  3. Step 3: Cross multiply
    364,853.89x = 503,493.60 × 203,711.68
  4. Step 4: Simplify right side
    364,853.89x = 102,567,527,125.25
  5. Step 5: Solve for x
    x = 102,567,527,125.25/364,853.89
  6. Step 6: Final answer
    x = 281,119.46

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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.