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Finding the Fourth Proportional to 375,636.25, 563,203.98 and 195,278.41

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Solution

The fourth proportional to 375,636.25, 563,203.98 and 195,278.41 is: 292,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,636.25 : 563,203.98 = 195,278.41 : x
  2. Step 2: Convert to fraction form
    375,636.25/563,203.98 = 195,278.41/x
  3. Step 3: Cross multiply
    375,636.25x = 563,203.98 × 195,278.41
  4. Step 4: Simplify right side
    375,636.25x = 109,981,576,312.06
  5. Step 5: Solve for x
    x = 109,981,576,312.06/375,636.25
  6. Step 6: Final answer
    x = 292,787.44

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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.