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Finding the Fourth Proportional to 246,493.46, 369,740.21 and 80,281.46

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Solution

The fourth proportional to 246,493.46, 369,740.21 and 80,281.46 is: 120,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,493.46 : 369,740.21 = 80,281.46 : x
  2. Step 2: Convert to fraction form
    246,493.46/369,740.21 = 80,281.46/x
  3. Step 3: Cross multiply
    246,493.46x = 369,740.21 × 80,281.46
  4. Step 4: Simplify right side
    246,493.46x = 29,683,283,478.10
  5. Step 5: Solve for x
    x = 29,683,283,478.10/246,493.46
  6. Step 6: Final answer
    x = 120,422.19

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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.