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Finding the Fourth Proportional to 266,326.01, 399,490.52 and 88,832.53

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Solution

The fourth proportional to 266,326.01, 399,490.52 and 88,832.53 is: 133,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,326.01 : 399,490.52 = 88,832.53 : x
  2. Step 2: Convert to fraction form
    266,326.01/399,490.52 = 88,832.53/x
  3. Step 3: Cross multiply
    266,326.01x = 399,490.52 × 88,832.53
  4. Step 4: Simplify right side
    266,326.01x = 35,487,753,158.45
  5. Step 5: Solve for x
    x = 35,487,753,158.45/266,326.01
  6. Step 6: Final answer
    x = 133,249.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.