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Finding the Fourth Proportional to 322,567.47, 445,154.51 and 177,384.31

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Solution

The fourth proportional to 322,567.47, 445,154.51 and 177,384.31 is: 244,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,567.47 : 445,154.51 = 177,384.31 : x
  2. Step 2: Convert to fraction form
    322,567.47/445,154.51 = 177,384.31/x
  3. Step 3: Cross multiply
    322,567.47x = 445,154.51 × 177,384.31
  4. Step 4: Simplify right side
    322,567.47x = 78,963,424,930.31
  5. Step 5: Solve for x
    x = 78,963,424,930.31/322,567.47
  6. Step 6: Final answer
    x = 244,796.62

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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.