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Finding the Fourth Proportional to 531,774.15, 733,850.64 and 290,061.92

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Solution

The fourth proportional to 531,774.15, 733,850.64 and 290,061.92 is: 400,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,774.15 : 733,850.64 = 290,061.92 : x
  2. Step 2: Convert to fraction form
    531,774.15/733,850.64 = 290,061.92/x
  3. Step 3: Cross multiply
    531,774.15x = 733,850.64 × 290,061.92
  4. Step 4: Simplify right side
    531,774.15x = 212,862,120,512.07
  5. Step 5: Solve for x
    x = 212,862,120,512.07/531,774.15
  6. Step 6: Final answer
    x = 400,286.70

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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.