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Finding the Fourth Proportional to 352,998.93, 487,141.72 and 191,854.36

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Solution

The fourth proportional to 352,998.93, 487,141.72 and 191,854.36 is: 264,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,998.93 : 487,141.72 = 191,854.36 : x
  2. Step 2: Convert to fraction form
    352,998.93/487,141.72 = 191,854.36/x
  3. Step 3: Cross multiply
    352,998.93x = 487,141.72 × 191,854.36
  4. Step 4: Simplify right side
    352,998.93x = 93,460,262,919.90
  5. Step 5: Solve for x
    x = 93,460,262,919.90/352,998.93
  6. Step 6: Final answer
    x = 264,760.75

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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.