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Finding the Fourth Proportional to 902,950, 1,246,062.63 and 495,074.50

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Solution

The fourth proportional to 902,950, 1,246,062.63 and 495,074.50 is: 683,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,950 : 1,246,062.63 = 495,074.50 : x
  2. Step 2: Convert to fraction form
    902,950/1,246,062.63 = 495,074.50/x
  3. Step 3: Cross multiply
    902,950x = 1,246,062.63 × 495,074.50
  4. Step 4: Simplify right side
    902,950x = 616,893,833,515.94
  5. Step 5: Solve for x
    x = 616,893,833,515.94/902,950
  6. Step 6: Final answer
    x = 683,198.22

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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.