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Finding the Fourth Proportional to 531,304.90, 733,194.30 and 289,586.73

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Solution

The fourth proportional to 531,304.90, 733,194.30 and 289,586.73 is: 399,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,304.90 : 733,194.30 = 289,586.73 : x
  2. Step 2: Convert to fraction form
    531,304.90/733,194.30 = 289,586.73/x
  3. Step 3: Cross multiply
    531,304.90x = 733,194.30 × 289,586.73
  4. Step 4: Simplify right side
    531,304.90x = 212,323,339,791.64
  5. Step 5: Solve for x
    x = 212,323,339,791.64/531,304.90
  6. Step 6: Final answer
    x = 399,626.17

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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.