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Finding the Fourth Proportional to 357,610.56, 536,884.92 and 239,809.20

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Solution

The fourth proportional to 357,610.56, 536,884.92 and 239,809.20 is: 360,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,610.56 : 536,884.92 = 239,809.20 : x
  2. Step 2: Convert to fraction form
    357,610.56/536,884.92 = 239,809.20/x
  3. Step 3: Cross multiply
    357,610.56x = 536,884.92 × 239,809.20
  4. Step 4: Simplify right side
    357,610.56x = 128,749,943,157.26
  5. Step 5: Solve for x
    x = 128,749,943,157.26/357,610.56
  6. Step 6: Final answer
    x = 360,028.36

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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.