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Finding the Fourth Proportional to 266,426.82, 367,664.67 and 145,565.51

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Solution

The fourth proportional to 266,426.82, 367,664.67 and 145,565.51 is: 200,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,426.82 : 367,664.67 = 145,565.51 : x
  2. Step 2: Convert to fraction form
    266,426.82/367,664.67 = 145,565.51/x
  3. Step 3: Cross multiply
    266,426.82x = 367,664.67 × 145,565.51
  4. Step 4: Simplify right side
    266,426.82x = 53,519,293,359.21
  5. Step 5: Solve for x
    x = 53,519,293,359.21/266,426.82
  6. Step 6: Final answer
    x = 200,878.02

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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.