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Finding the Fourth Proportional to 495,787.88, 684,186.98 and 269,433.40

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Solution

The fourth proportional to 495,787.88, 684,186.98 and 269,433.40 is: 371,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,787.88 : 684,186.98 = 269,433.40 : x
  2. Step 2: Convert to fraction form
    495,787.88/684,186.98 = 269,433.40/x
  3. Step 3: Cross multiply
    495,787.88x = 684,186.98 × 269,433.40
  4. Step 4: Simplify right side
    495,787.88x = 184,342,824,257.13
  5. Step 5: Solve for x
    x = 184,342,824,257.13/495,787.88
  6. Step 6: Final answer
    x = 371,817.93

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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.