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Finding the Fourth Proportional to 467,762.81, 645,512.12 and 252,902.36

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Solution

The fourth proportional to 467,762.81, 645,512.12 and 252,902.36 is: 349,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,762.81 : 645,512.12 = 252,902.36 : x
  2. Step 2: Convert to fraction form
    467,762.81/645,512.12 = 252,902.36/x
  3. Step 3: Cross multiply
    467,762.81x = 645,512.12 × 252,902.36
  4. Step 4: Simplify right side
    467,762.81x = 163,251,537,645.83
  5. Step 5: Solve for x
    x = 163,251,537,645.83/467,762.81
  6. Step 6: Final answer
    x = 349,004.96

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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.