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Finding the Fourth Proportional to 322,632.23, 445,237.56 and 177,444.32

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Solution

The fourth proportional to 322,632.23, 445,237.56 and 177,444.32 is: 244,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,632.23 : 445,237.56 = 177,444.32 : x
  2. Step 2: Convert to fraction form
    322,632.23/445,237.56 = 177,444.32/x
  3. Step 3: Cross multiply
    322,632.23x = 445,237.56 × 177,444.32
  4. Step 4: Simplify right side
    322,632.23x = 79,004,873,846.47
  5. Step 5: Solve for x
    x = 79,004,873,846.47/322,632.23
  6. Step 6: Final answer
    x = 244,875.95

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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.