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Finding the Fourth Proportional to 340,295.31, 510,558.41 and 150,730.20

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Solution

The fourth proportional to 340,295.31, 510,558.41 and 150,730.20 is: 226,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,295.31 : 510,558.41 = 150,730.20 : x
  2. Step 2: Convert to fraction form
    340,295.31/510,558.41 = 150,730.20/x
  3. Step 3: Cross multiply
    340,295.31x = 510,558.41 × 150,730.20
  4. Step 4: Simplify right side
    340,295.31x = 76,956,570,497.33
  5. Step 5: Solve for x
    x = 76,956,570,497.33/340,295.31
  6. Step 6: Final answer
    x = 226,146.43

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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.