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Finding the Fourth Proportional to 246,863.20, 370,294.80 and 231,311.20

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Solution

The fourth proportional to 246,863.20, 370,294.80 and 231,311.20 is: 346,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,863.20 : 370,294.80 = 231,311.20 : x
  2. Step 2: Convert to fraction form
    246,863.20/370,294.80 = 231,311.20/x
  3. Step 3: Cross multiply
    246,863.20x = 370,294.80 × 231,311.20
  4. Step 4: Simplify right side
    246,863.20x = 85,653,334,541.76
  5. Step 5: Solve for x
    x = 85,653,334,541.76/246,863.20
  6. Step 6: Final answer
    x = 346,966.80

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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.