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Finding the Fourth Proportional to 356,944.82, 535,244.99 and 207,222.80

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Solution

The fourth proportional to 356,944.82, 535,244.99 and 207,222.80 is: 310,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,944.82 : 535,244.99 = 207,222.80 : x
  2. Step 2: Convert to fraction form
    356,944.82/535,244.99 = 207,222.80/x
  3. Step 3: Cross multiply
    356,944.82x = 535,244.99 × 207,222.80
  4. Step 4: Simplify right side
    356,944.82x = 110,914,962,967.06
  5. Step 5: Solve for x
    x = 110,914,962,967.06/356,944.82
  6. Step 6: Final answer
    x = 310,734.20

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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.