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Finding the Fourth Proportional to 492,059.76, 738,309.48 and 239,201.52

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Solution

The fourth proportional to 492,059.76, 738,309.48 and 239,201.52 is: 358,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,059.76 : 738,309.48 = 239,201.52 : x
  2. Step 2: Convert to fraction form
    492,059.76/738,309.48 = 239,201.52/x
  3. Step 3: Cross multiply
    492,059.76x = 738,309.48 × 239,201.52
  4. Step 4: Simplify right side
    492,059.76x = 176,604,749,846.41
  5. Step 5: Solve for x
    x = 176,604,749,846.41/492,059.76
  6. Step 6: Final answer
    x = 358,909.15

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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.