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Finding the Fourth Proportional to 352,068.24, 485,854.41 and 190,923.24

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Solution

The fourth proportional to 352,068.24, 485,854.41 and 190,923.24 is: 263,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,068.24 : 485,854.41 = 190,923.24 : x
  2. Step 2: Convert to fraction form
    352,068.24/485,854.41 = 190,923.24/x
  3. Step 3: Cross multiply
    352,068.24x = 485,854.41 × 190,923.24
  4. Step 4: Simplify right side
    352,068.24x = 92,760,898,125.49
  5. Step 5: Solve for x
    x = 92,760,898,125.49/352,068.24
  6. Step 6: Final answer
    x = 263,474.20

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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.