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Finding the Fourth Proportional to 853,124, 1,177,311.12 and 495,451.04

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Solution

The fourth proportional to 853,124, 1,177,311.12 and 495,451.04 is: 683,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,124 : 1,177,311.12 = 495,451.04 : x
  2. Step 2: Convert to fraction form
    853,124/1,177,311.12 = 495,451.04/x
  3. Step 3: Cross multiply
    853,124x = 1,177,311.12 × 495,451.04
  4. Step 4: Simplify right side
    853,124x = 583,300,018,807.57
  5. Step 5: Solve for x
    x = 583,300,018,807.57/853,124
  6. Step 6: Final answer
    x = 683,722.44

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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.