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Finding the Fourth Proportional to 498,800.70, 748,310.40 and 246,202.20

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Solution

The fourth proportional to 498,800.70, 748,310.40 and 246,202.20 is: 369,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,800.70 : 748,310.40 = 246,202.20 : x
  2. Step 2: Convert to fraction form
    498,800.70/748,310.40 = 246,202.20/x
  3. Step 3: Cross multiply
    498,800.70x = 748,310.40 × 246,202.20
  4. Step 4: Simplify right side
    498,800.70x = 184,235,666,762.88
  5. Step 5: Solve for x
    x = 184,235,666,762.88/498,800.70
  6. Step 6: Final answer
    x = 369,357.27

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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.