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Finding the Fourth Proportional to 487,236.56, 730,980.60 and 150,269.60

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Solution

The fourth proportional to 487,236.56, 730,980.60 and 150,269.60 is: 225,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,236.56 : 730,980.60 = 150,269.60 : x
  2. Step 2: Convert to fraction form
    487,236.56/730,980.60 = 150,269.60/x
  3. Step 3: Cross multiply
    487,236.56x = 730,980.60 × 150,269.60
  4. Step 4: Simplify right side
    487,236.56x = 109,844,162,369.76
  5. Step 5: Solve for x
    x = 109,844,162,369.76/487,236.56
  6. Step 6: Final answer
    x = 225,443.19

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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.