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Finding the Fourth Proportional to 259,053.84, 387,854.76 and 195,674.52

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Solution

The fourth proportional to 259,053.84, 387,854.76 and 195,674.52 is: 292,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,053.84 : 387,854.76 = 195,674.52 : x
  2. Step 2: Convert to fraction form
    259,053.84/387,854.76 = 195,674.52/x
  3. Step 3: Cross multiply
    259,053.84x = 387,854.76 × 195,674.52
  4. Step 4: Simplify right side
    259,053.84x = 75,893,293,992.72
  5. Step 5: Solve for x
    x = 75,893,293,992.72/259,053.84
  6. Step 6: Final answer
    x = 292,963.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.