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Finding the Fourth Proportional to 570,936.50, 856,371.81 and 171,568.70

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Solution

The fourth proportional to 570,936.50, 856,371.81 and 171,568.70 is: 257,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,936.50 : 856,371.81 = 171,568.70 : x
  2. Step 2: Convert to fraction form
    570,936.50/856,371.81 = 171,568.70/x
  3. Step 3: Cross multiply
    570,936.50x = 856,371.81 × 171,568.70
  4. Step 4: Simplify right side
    570,936.50x = 146,926,598,158.35
  5. Step 5: Solve for x
    x = 146,926,598,158.35/570,936.50
  6. Step 6: Final answer
    x = 257,343.15

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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.