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Finding the Fourth Proportional to 468,276.52, 702,390.10 and 131,340.46

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Solution

The fourth proportional to 468,276.52, 702,390.10 and 131,340.46 is: 197,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,276.52 : 702,390.10 = 131,340.46 : x
  2. Step 2: Convert to fraction form
    468,276.52/702,390.10 = 131,340.46/x
  3. Step 3: Cross multiply
    468,276.52x = 702,390.10 × 131,340.46
  4. Step 4: Simplify right side
    468,276.52x = 92,252,238,833.45
  5. Step 5: Solve for x
    x = 92,252,238,833.45/468,276.52
  6. Step 6: Final answer
    x = 197,003.77

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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.