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Finding the Fourth Proportional to 266,905.40, 368,326.32 and 146,045.30

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Solution

The fourth proportional to 266,905.40, 368,326.32 and 146,045.30 is: 201,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,905.40 : 368,326.32 = 146,045.30 : x
  2. Step 2: Convert to fraction form
    266,905.40/368,326.32 = 146,045.30/x
  3. Step 3: Cross multiply
    266,905.40x = 368,326.32 × 146,045.30
  4. Step 4: Simplify right side
    266,905.40x = 53,792,327,902.30
  5. Step 5: Solve for x
    x = 53,792,327,902.30/266,905.40
  6. Step 6: Final answer
    x = 201,540.80

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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.