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Finding the Fourth Proportional to 508,167.94, 701,272.76 and 278,727.09

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Solution

The fourth proportional to 508,167.94, 701,272.76 and 278,727.09 is: 384,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,167.94 : 701,272.76 = 278,727.09 : x
  2. Step 2: Convert to fraction form
    508,167.94/701,272.76 = 278,727.09/x
  3. Step 3: Cross multiply
    508,167.94x = 701,272.76 × 278,727.09
  4. Step 4: Simplify right side
    508,167.94x = 195,463,715,691.07
  5. Step 5: Solve for x
    x = 195,463,715,691.07/508,167.94
  6. Step 6: Final answer
    x = 384,643.93

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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.