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Finding the Fourth Proportional to 266,883.92, 400,326.57 and 98,331.21

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Solution

The fourth proportional to 266,883.92, 400,326.57 and 98,331.21 is: 147,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,883.92 : 400,326.57 = 98,331.21 : x
  2. Step 2: Convert to fraction form
    266,883.92/400,326.57 = 98,331.21/x
  3. Step 3: Cross multiply
    266,883.92x = 400,326.57 × 98,331.21
  4. Step 4: Simplify right side
    266,883.92x = 39,364,596,023.25
  5. Step 5: Solve for x
    x = 39,364,596,023.25/266,883.92
  6. Step 6: Final answer
    x = 147,497.07

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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.