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Finding the Fourth Proportional to 352,999.06, 487,141.89 and 191,854.49

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Solution

The fourth proportional to 352,999.06, 487,141.89 and 191,854.49 is: 264,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,999.06 : 487,141.89 = 191,854.49 : x
  2. Step 2: Convert to fraction form
    352,999.06/487,141.89 = 191,854.49/x
  3. Step 3: Cross multiply
    352,999.06x = 487,141.89 × 191,854.49
  4. Step 4: Simplify right side
    352,999.06x = 93,460,358,863.59
  5. Step 5: Solve for x
    x = 93,460,358,863.59/352,999.06
  6. Step 6: Final answer
    x = 264,760.93

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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.