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Finding the Fourth Proportional to 322,635.98, 445,242.74 and 177,448.07

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Solution

The fourth proportional to 322,635.98, 445,242.74 and 177,448.07 is: 244,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,635.98 : 445,242.74 = 177,448.07 : x
  2. Step 2: Convert to fraction form
    322,635.98/445,242.74 = 177,448.07/x
  3. Step 3: Cross multiply
    322,635.98x = 445,242.74 × 177,448.07
  4. Step 4: Simplify right side
    322,635.98x = 79,007,461,781.06
  5. Step 5: Solve for x
    x = 79,007,461,781.06/322,635.98
  6. Step 6: Final answer
    x = 244,881.13

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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.