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Finding the Fourth Proportional to 364,857.89, 503,499.12 and 203,715.68

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Solution

The fourth proportional to 364,857.89, 503,499.12 and 203,715.68 is: 281,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,857.89 : 503,499.12 = 203,715.68 : x
  2. Step 2: Convert to fraction form
    364,857.89/503,499.12 = 203,715.68/x
  3. Step 3: Cross multiply
    364,857.89x = 503,499.12 × 203,715.68
  4. Step 4: Simplify right side
    364,857.89x = 102,570,665,610.20
  5. Step 5: Solve for x
    x = 102,570,665,610.20/364,857.89
  6. Step 6: Final answer
    x = 281,124.98

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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.