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Finding the Fourth Proportional to 844,812.84, 1,165,873.86 and 482,295.72

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Solution

The fourth proportional to 844,812.84, 1,165,873.86 and 482,295.72 is: 665,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,812.84 : 1,165,873.86 = 482,295.72 : x
  2. Step 2: Convert to fraction form
    844,812.84/1,165,873.86 = 482,295.72/x
  3. Step 3: Cross multiply
    844,812.84x = 1,165,873.86 × 482,295.72
  4. Step 4: Simplify right side
    844,812.84x = 562,295,972,737.88
  5. Step 5: Solve for x
    x = 562,295,972,737.88/844,812.84
  6. Step 6: Final answer
    x = 665,586.44

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Double scale
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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.