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Finding the Fourth Proportional to 309,340.06, 463,411.56 and 173,992.94

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Solution

The fourth proportional to 309,340.06, 463,411.56 and 173,992.94 is: 260,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,340.06 : 463,411.56 = 173,992.94 : x
  2. Step 2: Convert to fraction form
    309,340.06/463,411.56 = 173,992.94/x
  3. Step 3: Cross multiply
    309,340.06x = 463,411.56 × 173,992.94
  4. Step 4: Simplify right side
    309,340.06x = 80,630,340,912.92
  5. Step 5: Solve for x
    x = 80,630,340,912.92/309,340.06
  6. Step 6: Final answer
    x = 260,652.76

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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.