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Finding the Fourth Proportional to 325,755.06, 448,980.44 and 216,664.17

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Solution

The fourth proportional to 325,755.06, 448,980.44 and 216,664.17 is: 298,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,755.06 : 448,980.44 = 216,664.17 : x
  2. Step 2: Convert to fraction form
    325,755.06/448,980.44 = 216,664.17/x
  3. Step 3: Cross multiply
    325,755.06x = 448,980.44 × 216,664.17
  4. Step 4: Simplify right side
    325,755.06x = 97,277,974,378.83
  5. Step 5: Solve for x
    x = 97,277,974,378.83/325,755.06
  6. Step 6: Final answer
    x = 298,623.06

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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.