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Finding the Fourth Proportional to 266,966.16, 400,027.72 and 216,802.16

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Solution

The fourth proportional to 266,966.16, 400,027.72 and 216,802.16 is: 324,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,966.16 : 400,027.72 = 216,802.16 : x
  2. Step 2: Convert to fraction form
    266,966.16/400,027.72 = 216,802.16/x
  3. Step 3: Cross multiply
    266,966.16x = 400,027.72 × 216,802.16
  4. Step 4: Simplify right side
    266,966.16x = 86,726,873,755.88
  5. Step 5: Solve for x
    x = 86,726,873,755.88/266,966.16
  6. Step 6: Final answer
    x = 324,860.93

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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.