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Finding the Fourth Proportional to 437,705.94, 656,565.39 and 122,164.50

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Solution

The fourth proportional to 437,705.94, 656,565.39 and 122,164.50 is: 183,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,705.94 : 656,565.39 = 122,164.50 : x
  2. Step 2: Convert to fraction form
    437,705.94/656,565.39 = 122,164.50/x
  3. Step 3: Cross multiply
    437,705.94x = 656,565.39 × 122,164.50
  4. Step 4: Simplify right side
    437,705.94x = 80,208,982,586.66
  5. Step 5: Solve for x
    x = 80,208,982,586.66/437,705.94
  6. Step 6: Final answer
    x = 183,248.56

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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.