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Finding the Fourth Proportional to 503,280.75, 694,532.30 and 276,931.11

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Solution

The fourth proportional to 503,280.75, 694,532.30 and 276,931.11 is: 382,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,280.75 : 694,532.30 = 276,931.11 : x
  2. Step 2: Convert to fraction form
    503,280.75/694,532.30 = 276,931.11/x
  3. Step 3: Cross multiply
    503,280.75x = 694,532.30 × 276,931.11
  4. Step 4: Simplify right side
    503,280.75x = 192,337,599,385.20
  5. Step 5: Solve for x
    x = 192,337,599,385.20/503,280.75
  6. Step 6: Final answer
    x = 382,167.61

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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.