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Finding the Fourth Proportional to 898,204.88, 1,239,520.20 and 495,794

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Solution

The fourth proportional to 898,204.88, 1,239,520.20 and 495,794 is: 684,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,204.88 : 1,239,520.20 = 495,794 : x
  2. Step 2: Convert to fraction form
    898,204.88/1,239,520.20 = 495,794/x
  3. Step 3: Cross multiply
    898,204.88x = 1,239,520.20 × 495,794
  4. Step 4: Simplify right side
    898,204.88x = 614,546,678,038.80
  5. Step 5: Solve for x
    x = 614,546,678,038.80/898,204.88
  6. Step 6: Final answer
    x = 684,194.32

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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.