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Finding the Fourth Proportional to 437,388.55, 656,282.73 and 197,566.57

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Solution

The fourth proportional to 437,388.55, 656,282.73 and 197,566.57 is: 296,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,388.55 : 656,282.73 = 197,566.57 : x
  2. Step 2: Convert to fraction form
    437,388.55/656,282.73 = 197,566.57/x
  3. Step 3: Cross multiply
    437,388.55x = 656,282.73 × 197,566.57
  4. Step 4: Simplify right side
    437,388.55x = 129,659,527,916.34
  5. Step 5: Solve for x
    x = 129,659,527,916.34/437,388.55
  6. Step 6: Final answer
    x = 296,440.15

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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.