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Finding the Fourth Proportional to 375,340.71, 517,970.19 and 205,574.82

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Solution

The fourth proportional to 375,340.71, 517,970.19 and 205,574.82 is: 283,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,340.71 : 517,970.19 = 205,574.82 : x
  2. Step 2: Convert to fraction form
    375,340.71/517,970.19 = 205,574.82/x
  3. Step 3: Cross multiply
    375,340.71x = 517,970.19 × 205,574.82
  4. Step 4: Simplify right side
    375,340.71x = 106,481,628,574.62
  5. Step 5: Solve for x
    x = 106,481,628,574.62/375,340.71
  6. Step 6: Final answer
    x = 283,693.26

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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.