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Finding the Fourth Proportional to 266,958.52, 368,574.71 and 238,228.83

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Solution

The fourth proportional to 266,958.52, 368,574.71 and 238,228.83 is: 328,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,958.52 : 368,574.71 = 238,228.83 : x
  2. Step 2: Convert to fraction form
    266,958.52/368,574.71 = 238,228.83/x
  3. Step 3: Cross multiply
    266,958.52x = 368,574.71 × 238,228.83
  4. Step 4: Simplify right side
    266,958.52x = 87,805,120,739.75
  5. Step 5: Solve for x
    x = 87,805,120,739.75/266,958.52
  6. Step 6: Final answer
    x = 328,909.23

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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.