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Finding the Fourth Proportional to 575,787.52, 863,792 and 220,773.84

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Solution

The fourth proportional to 575,787.52, 863,792 and 220,773.84 is: 331,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,787.52 : 863,792 = 220,773.84 : x
  2. Step 2: Convert to fraction form
    575,787.52/863,792 = 220,773.84/x
  3. Step 3: Cross multiply
    575,787.52x = 863,792 × 220,773.84
  4. Step 4: Simplify right side
    575,787.52x = 190,702,676,801.28
  5. Step 5: Solve for x
    x = 190,702,676,801.28/575,787.52
  6. Step 6: Final answer
    x = 331,203.21

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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.