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Finding the Fourth Proportional to 531,778.02, 733,722.44 and 324,993.66

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Solution

The fourth proportional to 531,778.02, 733,722.44 and 324,993.66 is: 448,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,778.02 : 733,722.44 = 324,993.66 : x
  2. Step 2: Convert to fraction form
    531,778.02/733,722.44 = 324,993.66/x
  3. Step 3: Cross multiply
    531,778.02x = 733,722.44 × 324,993.66
  4. Step 4: Simplify right side
    531,778.02x = 238,455,141,199.73
  5. Step 5: Solve for x
    x = 238,455,141,199.73/531,778.02
  6. Step 6: Final answer
    x = 448,411.05

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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.