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Finding the Fourth Proportional to 702,451.52, 969,384.27 and 380,161.90

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Solution

The fourth proportional to 702,451.52, 969,384.27 and 380,161.90 is: 524,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,451.52 : 969,384.27 = 380,161.90 : x
  2. Step 2: Convert to fraction form
    702,451.52/969,384.27 = 380,161.90/x
  3. Step 3: Cross multiply
    702,451.52x = 969,384.27 × 380,161.90
  4. Step 4: Simplify right side
    702,451.52x = 368,522,965,913.31
  5. Step 5: Solve for x
    x = 368,522,965,913.31/702,451.52
  6. Step 6: Final answer
    x = 524,624.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.