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Finding the Fourth Proportional to 322,551.06, 445,175.47 and 186,667.74

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Solution

The fourth proportional to 322,551.06, 445,175.47 and 186,667.74 is: 257,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,551.06 : 445,175.47 = 186,667.74 : x
  2. Step 2: Convert to fraction form
    322,551.06/445,175.47 = 186,667.74/x
  3. Step 3: Cross multiply
    322,551.06x = 445,175.47 × 186,667.74
  4. Step 4: Simplify right side
    322,551.06x = 83,099,898,596.67
  5. Step 5: Solve for x
    x = 83,099,898,596.67/322,551.06
  6. Step 6: Final answer
    x = 257,633.31

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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.