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Finding the Fourth Proportional to 245,807.20, 368,711.04 and 68,314.24

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Solution

The fourth proportional to 245,807.20, 368,711.04 and 68,314.24 is: 102,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,807.20 : 368,711.04 = 68,314.24 : x
  2. Step 2: Convert to fraction form
    245,807.20/368,711.04 = 68,314.24/x
  3. Step 3: Cross multiply
    245,807.20x = 368,711.04 × 68,314.24
  4. Step 4: Simplify right side
    245,807.20x = 25,188,214,477.21
  5. Step 5: Solve for x
    x = 25,188,214,477.21/245,807.20
  6. Step 6: Final answer
    x = 102,471.43

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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.