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Finding the Fourth Proportional to 541,532.61, 812,374.25 and 225,916.92

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Solution

The fourth proportional to 541,532.61, 812,374.25 and 225,916.92 is: 338,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,532.61 : 812,374.25 = 225,916.92 : x
  2. Step 2: Convert to fraction form
    541,532.61/812,374.25 = 225,916.92/x
  3. Step 3: Cross multiply
    541,532.61x = 812,374.25 × 225,916.92
  4. Step 4: Simplify right side
    541,532.61x = 183,529,087,317.73
  5. Step 5: Solve for x
    x = 183,529,087,317.73/541,532.61
  6. Step 6: Final answer
    x = 338,906.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.