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Finding the Fourth Proportional to 541,230.54, 746,899.60 and 299,529.78

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Solution

The fourth proportional to 541,230.54, 746,899.60 and 299,529.78 is: 413,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,230.54 : 746,899.60 = 299,529.78 : x
  2. Step 2: Convert to fraction form
    541,230.54/746,899.60 = 299,529.78/x
  3. Step 3: Cross multiply
    541,230.54x = 746,899.60 × 299,529.78
  4. Step 4: Simplify right side
    541,230.54x = 223,718,675,486.16
  5. Step 5: Solve for x
    x = 223,718,675,486.16/541,230.54
  6. Step 6: Final answer
    x = 413,351.90

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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.