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Finding the Fourth Proportional to 341,753.60, 513,148.80 and 262,956.80

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Solution

The fourth proportional to 341,753.60, 513,148.80 and 262,956.80 is: 394,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,753.60 : 513,148.80 = 262,956.80 : x
  2. Step 2: Convert to fraction form
    341,753.60/513,148.80 = 262,956.80/x
  3. Step 3: Cross multiply
    341,753.60x = 513,148.80 × 262,956.80
  4. Step 4: Simplify right side
    341,753.60x = 134,935,966,371.84
  5. Step 5: Solve for x
    x = 134,935,966,371.84/341,753.60
  6. Step 6: Final answer
    x = 394,834.07

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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.