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Finding the Fourth Proportional to 702,586.87, 969,572.31 and 380,296.88

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Solution

The fourth proportional to 702,586.87, 969,572.31 and 380,296.88 is: 524,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,586.87 : 969,572.31 = 380,296.88 : x
  2. Step 2: Convert to fraction form
    702,586.87/969,572.31 = 380,296.88/x
  3. Step 3: Cross multiply
    702,586.87x = 969,572.31 × 380,296.88
  4. Step 4: Simplify right side
    702,586.87x = 368,725,325,425.21
  5. Step 5: Solve for x
    x = 368,725,325,425.21/702,586.87
  6. Step 6: Final answer
    x = 524,811.01

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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.