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Finding the Fourth Proportional to 495,853.92, 684,279.36 and 269,498.88

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Solution

The fourth proportional to 495,853.92, 684,279.36 and 269,498.88 is: 371,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,853.92 : 684,279.36 = 269,498.88 : x
  2. Step 2: Convert to fraction form
    495,853.92/684,279.36 = 269,498.88/x
  3. Step 3: Cross multiply
    495,853.92x = 684,279.36 × 269,498.88
  4. Step 4: Simplify right side
    495,853.92x = 184,412,521,127.12
  5. Step 5: Solve for x
    x = 184,412,521,127.12/495,853.92
  6. Step 6: Final answer
    x = 371,908.97

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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.