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Finding the Fourth Proportional to 322,552.08, 445,180.05 and 186,567.12

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Solution

The fourth proportional to 322,552.08, 445,180.05 and 186,567.12 is: 257,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,552.08 : 445,180.05 = 186,567.12 : x
  2. Step 2: Convert to fraction form
    322,552.08/445,180.05 = 186,567.12/x
  3. Step 3: Cross multiply
    322,552.08x = 445,180.05 × 186,567.12
  4. Step 4: Simplify right side
    322,552.08x = 83,055,959,809.96
  5. Step 5: Solve for x
    x = 83,055,959,809.96/322,552.08
  6. Step 6: Final answer
    x = 257,496.28

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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.