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Finding the Fourth Proportional to 373,171.05, 514,976.20 and 212,026.32

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Solution

The fourth proportional to 373,171.05, 514,976.20 and 212,026.32 is: 292,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,171.05 : 514,976.20 = 212,026.32 : x
  2. Step 2: Convert to fraction form
    373,171.05/514,976.20 = 212,026.32/x
  3. Step 3: Cross multiply
    373,171.05x = 514,976.20 × 212,026.32
  4. Step 4: Simplify right side
    373,171.05x = 109,188,508,043.52
  5. Step 5: Solve for x
    x = 109,188,508,043.52/373,171.05
  6. Step 6: Final answer
    x = 292,596.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.