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Finding the Fourth Proportional to 495,717.38, 684,094.30 and 269,362.88

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Solution

The fourth proportional to 495,717.38, 684,094.30 and 269,362.88 is: 371,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,717.38 : 684,094.30 = 269,362.88 : x
  2. Step 2: Convert to fraction form
    495,717.38/684,094.30 = 269,362.88/x
  3. Step 3: Cross multiply
    495,717.38x = 684,094.30 × 269,362.88
  4. Step 4: Simplify right side
    495,717.38x = 184,269,610,839.58
  5. Step 5: Solve for x
    x = 184,269,610,839.58/495,717.38
  6. Step 6: Final answer
    x = 371,723.12

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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.