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Finding the Fourth Proportional to 444,585, 613,527.30 and 243,381

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Solution

The fourth proportional to 444,585, 613,527.30 and 243,381 is: 335,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,585 : 613,527.30 = 243,381 : x
  2. Step 2: Convert to fraction form
    444,585/613,527.30 = 243,381/x
  3. Step 3: Cross multiply
    444,585x = 613,527.30 × 243,381
  4. Step 4: Simplify right side
    444,585x = 149,320,887,801.30
  5. Step 5: Solve for x
    x = 149,320,887,801.30/444,585
  6. Step 6: Final answer
    x = 335,865.78

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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.