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Finding the Fourth Proportional to 570,813.81, 856,152.67 and 150,122.49

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Solution

The fourth proportional to 570,813.81, 856,152.67 and 150,122.49 is: 225,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,813.81 : 856,152.67 = 150,122.49 : x
  2. Step 2: Convert to fraction form
    570,813.81/856,152.67 = 150,122.49/x
  3. Step 3: Cross multiply
    570,813.81x = 856,152.67 × 150,122.49
  4. Step 4: Simplify right side
    570,813.81x = 128,527,770,640.55
  5. Step 5: Solve for x
    x = 128,527,770,640.55/570,813.81
  6. Step 6: Final answer
    x = 225,165.84

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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.