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Finding the Fourth Proportional to 364,849.59, 503,542.80 and 203,715.08

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Solution

The fourth proportional to 364,849.59, 503,542.80 and 203,715.08 is: 281,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,849.59 : 503,542.80 = 203,715.08 : x
  2. Step 2: Convert to fraction form
    364,849.59/503,542.80 = 203,715.08/x
  3. Step 3: Cross multiply
    364,849.59x = 503,542.80 × 203,715.08
  4. Step 4: Simplify right side
    364,849.59x = 102,579,259,267.71
  5. Step 5: Solve for x
    x = 102,579,259,267.71/364,849.59
  6. Step 6: Final answer
    x = 281,154.93

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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.