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Finding the Fourth Proportional to 325,757.06, 448,983.20 and 216,666.17

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Solution

The fourth proportional to 325,757.06, 448,983.20 and 216,666.17 is: 298,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,757.06 : 448,983.20 = 216,666.17 : x
  2. Step 2: Convert to fraction form
    325,757.06/448,983.20 = 216,666.17/x
  3. Step 3: Cross multiply
    325,757.06x = 448,983.20 × 216,666.17
  4. Step 4: Simplify right side
    325,757.06x = 97,279,470,338.34
  5. Step 5: Solve for x
    x = 97,279,470,338.34/325,757.06
  6. Step 6: Final answer
    x = 298,625.82

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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.