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Finding the Fourth Proportional to 294,660.86, 406,681.29 and 173,832.12

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Solution

The fourth proportional to 294,660.86, 406,681.29 and 173,832.12 is: 239,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,660.86 : 406,681.29 = 173,832.12 : x
  2. Step 2: Convert to fraction form
    294,660.86/406,681.29 = 173,832.12/x
  3. Step 3: Cross multiply
    294,660.86x = 406,681.29 × 173,832.12
  4. Step 4: Simplify right side
    294,660.86x = 70,694,270,805.03
  5. Step 5: Solve for x
    x = 70,694,270,805.03/294,660.86
  6. Step 6: Final answer
    x = 239,917.42

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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.