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Finding the Fourth Proportional to 467,762.99, 645,512.38 and 252,902.54

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Solution

The fourth proportional to 467,762.99, 645,512.38 and 252,902.54 is: 349,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,762.99 : 645,512.38 = 252,902.54 : x
  2. Step 2: Convert to fraction form
    467,762.99/645,512.38 = 252,902.54/x
  3. Step 3: Cross multiply
    467,762.99x = 645,512.38 × 252,902.54
  4. Step 4: Simplify right side
    467,762.99x = 163,251,724,117.88
  5. Step 5: Solve for x
    x = 163,251,724,117.88/467,762.99
  6. Step 6: Final answer
    x = 349,005.22

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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.