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Finding the Fourth Proportional to 503,281.25, 694,532.99 and 276,931.61

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Solution

The fourth proportional to 503,281.25, 694,532.99 and 276,931.61 is: 382,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,281.25 : 694,532.99 = 276,931.61 : x
  2. Step 2: Convert to fraction form
    503,281.25/694,532.99 = 276,931.61/x
  3. Step 3: Cross multiply
    503,281.25x = 694,532.99 × 276,931.61
  4. Step 4: Simplify right side
    503,281.25x = 192,338,137,734.16
  5. Step 5: Solve for x
    x = 192,338,137,734.16/503,281.25
  6. Step 6: Final answer
    x = 382,168.30

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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.