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Finding the Fourth Proportional to 495,800.44, 684,211.98 and 269,446.12

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Solution

The fourth proportional to 495,800.44, 684,211.98 and 269,446.12 is: 371,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,800.44 : 684,211.98 = 269,446.12 : x
  2. Step 2: Convert to fraction form
    495,800.44/684,211.98 = 269,446.12/x
  3. Step 3: Cross multiply
    495,800.44x = 684,211.98 × 269,446.12
  4. Step 4: Simplify right side
    495,800.44x = 184,358,263,268.52
  5. Step 5: Solve for x
    x = 184,358,263,268.52/495,800.44
  6. Step 6: Final answer
    x = 371,839.65

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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.