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Finding the Fourth Proportional to 503,259.54, 694,512.74 and 276,905.04

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Solution

The fourth proportional to 503,259.54, 694,512.74 and 276,905.04 is: 382,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,259.54 : 694,512.74 = 276,905.04 : x
  2. Step 2: Convert to fraction form
    503,259.54/694,512.74 = 276,905.04/x
  3. Step 3: Cross multiply
    503,259.54x = 694,512.74 × 276,905.04
  4. Step 4: Simplify right side
    503,259.54x = 192,314,078,050.21
  5. Step 5: Solve for x
    x = 192,314,078,050.21/503,259.54
  6. Step 6: Final answer
    x = 382,136.97

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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.