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Finding the Fourth Proportional to 468,300, 702,425.24 and 131,364.04

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Solution

The fourth proportional to 468,300, 702,425.24 and 131,364.04 is: 197,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,300 : 702,425.24 = 131,364.04 : x
  2. Step 2: Convert to fraction form
    468,300/702,425.24 = 131,364.04/x
  3. Step 3: Cross multiply
    468,300x = 702,425.24 × 131,364.04
  4. Step 4: Simplify right side
    468,300x = 92,273,417,324.37
  5. Step 5: Solve for x
    x = 92,273,417,324.37/468,300
  6. Step 6: Final answer
    x = 197,039.11

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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.