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Finding the Fourth Proportional to 502,684.20, 693,696.24 and 276,324.84

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Solution

The fourth proportional to 502,684.20, 693,696.24 and 276,324.84 is: 381,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,684.20 : 693,696.24 = 276,324.84 : x
  2. Step 2: Convert to fraction form
    502,684.20/693,696.24 = 276,324.84/x
  3. Step 3: Cross multiply
    502,684.20x = 693,696.24 × 276,324.84
  4. Step 4: Simplify right side
    502,684.20x = 191,685,502,526.60
  5. Step 5: Solve for x
    x = 191,685,502,526.60/502,684.20
  6. Step 6: Final answer
    x = 381,323.91

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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.