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Finding the Fourth Proportional to 467,792.56, 645,848.92 and 324,502.48

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Solution

The fourth proportional to 467,792.56, 645,848.92 and 324,502.48 is: 448,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,792.56 : 645,848.92 = 324,502.48 : x
  2. Step 2: Convert to fraction form
    467,792.56/645,848.92 = 324,502.48/x
  3. Step 3: Cross multiply
    467,792.56x = 645,848.92 × 324,502.48
  4. Step 4: Simplify right side
    467,792.56x = 209,579,576,245.32
  5. Step 5: Solve for x
    x = 209,579,576,245.32/467,792.56
  6. Step 6: Final answer
    x = 448,018.19

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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.