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Finding the Fourth Proportional to 246,492.71, 369,739.07 and 80,280.71

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Solution

The fourth proportional to 246,492.71, 369,739.07 and 80,280.71 is: 120,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,492.71 : 369,739.07 = 80,280.71 : x
  2. Step 2: Convert to fraction form
    246,492.71/369,739.07 = 80,280.71/x
  3. Step 3: Cross multiply
    246,492.71x = 369,739.07 × 80,280.71
  4. Step 4: Simplify right side
    246,492.71x = 29,682,915,054.34
  5. Step 5: Solve for x
    x = 29,682,915,054.34/246,492.71
  6. Step 6: Final answer
    x = 120,421.07

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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.