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Finding the Fourth Proportional to 492,003.60, 736,255.80 and 450,013.20

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Solution

The fourth proportional to 492,003.60, 736,255.80 and 450,013.20 is: 673,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,003.60 : 736,255.80 = 450,013.20 : x
  2. Step 2: Convert to fraction form
    492,003.60/736,255.80 = 450,013.20/x
  3. Step 3: Cross multiply
    492,003.60x = 736,255.80 × 450,013.20
  4. Step 4: Simplify right side
    492,003.60x = 331,324,828,576.56
  5. Step 5: Solve for x
    x = 331,324,828,576.56/492,003.60
  6. Step 6: Final answer
    x = 673,419.52

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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.