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Finding the Fourth Proportional to 375,340.98, 517,887.33 and 222,302.82

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Solution

The fourth proportional to 375,340.98, 517,887.33 and 222,302.82 is: 306,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,340.98 : 517,887.33 = 222,302.82 : x
  2. Step 2: Convert to fraction form
    375,340.98/517,887.33 = 222,302.82/x
  3. Step 3: Cross multiply
    375,340.98x = 517,887.33 × 222,302.82
  4. Step 4: Simplify right side
    375,340.98x = 115,127,813,901.27
  5. Step 5: Solve for x
    x = 115,127,813,901.27/375,340.98
  6. Step 6: Final answer
    x = 306,728.60

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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.