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Finding the Fourth Proportional to 310,825.36, 465,620.72 and 239,500.52

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Solution

The fourth proportional to 310,825.36, 465,620.72 and 239,500.52 is: 358,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,825.36 : 465,620.72 = 239,500.52 : x
  2. Step 2: Convert to fraction form
    310,825.36/465,620.72 = 239,500.52/x
  3. Step 3: Cross multiply
    310,825.36x = 465,620.72 × 239,500.52
  4. Step 4: Simplify right side
    310,825.36x = 111,516,404,562.77
  5. Step 5: Solve for x
    x = 111,516,404,562.77/310,825.36
  6. Step 6: Final answer
    x = 358,775.12

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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.