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Finding the Fourth Proportional to 437,384.55, 656,276.73 and 197,562.57

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Solution

The fourth proportional to 437,384.55, 656,276.73 and 197,562.57 is: 296,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,384.55 : 656,276.73 = 197,562.57 : x
  2. Step 2: Convert to fraction form
    437,384.55/656,276.73 = 197,562.57/x
  3. Step 3: Cross multiply
    437,384.55x = 656,276.73 × 197,562.57
  4. Step 4: Simplify right side
    437,384.55x = 129,655,717,410.00
  5. Step 5: Solve for x
    x = 129,655,717,410.00/437,384.55
  6. Step 6: Final answer
    x = 296,434.15

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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.