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Finding the Fourth Proportional to 483,750.42, 725,438.94 and 159,460.64

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Solution

The fourth proportional to 483,750.42, 725,438.94 and 159,460.64 is: 239,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,750.42 : 725,438.94 = 159,460.64 : x
  2. Step 2: Convert to fraction form
    483,750.42/725,438.94 = 159,460.64/x
  3. Step 3: Cross multiply
    483,750.42x = 725,438.94 × 159,460.64
  4. Step 4: Simplify right side
    483,750.42x = 115,678,957,653.32
  5. Step 5: Solve for x
    x = 115,678,957,653.32/483,750.42
  6. Step 6: Final answer
    x = 239,129.42

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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.