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Finding the Fourth Proportional to 504,787.95, 756,648.54 and 220,229.28

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Solution

The fourth proportional to 504,787.95, 756,648.54 and 220,229.28 is: 330,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,787.95 : 756,648.54 = 220,229.28 : x
  2. Step 2: Convert to fraction form
    504,787.95/756,648.54 = 220,229.28/x
  3. Step 3: Cross multiply
    504,787.95x = 756,648.54 × 220,229.28
  4. Step 4: Simplify right side
    504,787.95x = 166,636,163,177.25
  5. Step 5: Solve for x
    x = 166,636,163,177.25/504,787.95
  6. Step 6: Final answer
    x = 330,111.21

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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.