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Finding the Fourth Proportional to 262,937.48, 394,406.22 and 240,127.88

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Solution

The fourth proportional to 262,937.48, 394,406.22 and 240,127.88 is: 360,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,937.48 : 394,406.22 = 240,127.88 : x
  2. Step 2: Convert to fraction form
    262,937.48/394,406.22 = 240,127.88/x
  3. Step 3: Cross multiply
    262,937.48x = 394,406.22 × 240,127.88
  4. Step 4: Simplify right side
    262,937.48x = 94,707,929,467.41
  5. Step 5: Solve for x
    x = 94,707,929,467.41/262,937.48
  6. Step 6: Final answer
    x = 360,191.82

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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.