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Finding the Fourth Proportional to 269,843.63, 372,417.01 and 156,666.38

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Solution

The fourth proportional to 269,843.63, 372,417.01 and 156,666.38 is: 216,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,843.63 : 372,417.01 = 156,666.38 : x
  2. Step 2: Convert to fraction form
    269,843.63/372,417.01 = 156,666.38/x
  3. Step 3: Cross multiply
    269,843.63x = 372,417.01 × 156,666.38
  4. Step 4: Simplify right side
    269,843.63x = 58,345,222,553.37
  5. Step 5: Solve for x
    x = 58,345,222,553.37/269,843.63
  6. Step 6: Final answer
    x = 216,218.64

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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.