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Finding the Fourth Proportional to 570,996.18, 856,428.03 and 150,304.86

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Solution

The fourth proportional to 570,996.18, 856,428.03 and 150,304.86 is: 225,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,996.18 : 856,428.03 = 150,304.86 : x
  2. Step 2: Convert to fraction form
    570,996.18/856,428.03 = 150,304.86/x
  3. Step 3: Cross multiply
    570,996.18x = 856,428.03 × 150,304.86
  4. Step 4: Simplify right side
    570,996.18x = 128,725,295,149.23
  5. Step 5: Solve for x
    x = 128,725,295,149.23/570,996.18
  6. Step 6: Final answer
    x = 225,439.85

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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.