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Finding the Fourth Proportional to 297,929.68, 411,202.71 and 177,047.61

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Solution

The fourth proportional to 297,929.68, 411,202.71 and 177,047.61 is: 244,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,929.68 : 411,202.71 = 177,047.61 : x
  2. Step 2: Convert to fraction form
    297,929.68/411,202.71 = 177,047.61/x
  3. Step 3: Cross multiply
    297,929.68x = 411,202.71 × 177,047.61
  4. Step 4: Simplify right side
    297,929.68x = 72,802,455,489.01
  5. Step 5: Solve for x
    x = 72,802,455,489.01/297,929.68
  6. Step 6: Final answer
    x = 244,361.21

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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.