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Finding the Fourth Proportional to 317,252.13, 475,243.71 and 190,822.56

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Solution

The fourth proportional to 317,252.13, 475,243.71 and 190,822.56 is: 285,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,252.13 : 475,243.71 = 190,822.56 : x
  2. Step 2: Convert to fraction form
    317,252.13/475,243.71 = 190,822.56/x
  3. Step 3: Cross multiply
    317,252.13x = 475,243.71 × 190,822.56
  4. Step 4: Simplify right side
    317,252.13x = 90,687,221,366.10
  5. Step 5: Solve for x
    x = 90,687,221,366.10/317,252.13
  6. Step 6: Final answer
    x = 285,852.21

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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.