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Finding the Fourth Proportional to 467,260.51, 644,819.12 and 252,400.52

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Solution

The fourth proportional to 467,260.51, 644,819.12 and 252,400.52 is: 348,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,260.51 : 644,819.12 = 252,400.52 : x
  2. Step 2: Convert to fraction form
    467,260.51/644,819.12 = 252,400.52/x
  3. Step 3: Cross multiply
    467,260.51x = 644,819.12 × 252,400.52
  4. Step 4: Simplify right side
    467,260.51x = 162,752,681,193.94
  5. Step 5: Solve for x
    x = 162,752,681,193.94/467,260.51
  6. Step 6: Final answer
    x = 348,312.51

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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.