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Finding the Fourth Proportional to 266,436.68, 367,664.94 and 151,727

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Solution

The fourth proportional to 266,436.68, 367,664.94 and 151,727 is: 209,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,436.68 : 367,664.94 = 151,727 : x
  2. Step 2: Convert to fraction form
    266,436.68/367,664.94 = 151,727/x
  3. Step 3: Cross multiply
    266,436.68x = 367,664.94 × 151,727
  4. Step 4: Simplify right side
    266,436.68x = 55,784,698,351.38
  5. Step 5: Solve for x
    x = 55,784,698,351.38/266,436.68
  6. Step 6: Final answer
    x = 209,373.19

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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.