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Finding the Fourth Proportional to 503,355.38, 694,630.54 and 277,000.88

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Solution

The fourth proportional to 503,355.38, 694,630.54 and 277,000.88 is: 382,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,355.38 : 694,630.54 = 277,000.88 : x
  2. Step 2: Convert to fraction form
    503,355.38/694,630.54 = 277,000.88/x
  3. Step 3: Cross multiply
    503,355.38x = 694,630.54 × 277,000.88
  4. Step 4: Simplify right side
    503,355.38x = 192,413,270,854.88
  5. Step 5: Solve for x
    x = 192,413,270,854.88/503,355.38
  6. Step 6: Final answer
    x = 382,261.28

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1.5x scale

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.