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Finding the Fourth Proportional to 322,553.63, 445,179.01 and 186,670.31

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Solution

The fourth proportional to 322,553.63, 445,179.01 and 186,670.31 is: 257,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,553.63 : 445,179.01 = 186,670.31 : x
  2. Step 2: Convert to fraction form
    322,553.63/445,179.01 = 186,670.31/x
  3. Step 3: Cross multiply
    322,553.63x = 445,179.01 × 186,670.31
  4. Step 4: Simplify right side
    322,553.63x = 83,101,703,802.19
  5. Step 5: Solve for x
    x = 83,101,703,802.19/322,553.63
  6. Step 6: Final answer
    x = 257,636.86

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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.