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Finding the Fourth Proportional to 702,446.04, 969,375.60 and 380,158.47

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Solution

The fourth proportional to 702,446.04, 969,375.60 and 380,158.47 is: 524,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,446.04 : 969,375.60 = 380,158.47 : x
  2. Step 2: Convert to fraction form
    702,446.04/969,375.60 = 380,158.47/x
  3. Step 3: Cross multiply
    702,446.04x = 969,375.60 × 380,158.47
  4. Step 4: Simplify right side
    702,446.04x = 368,516,344,951.33
  5. Step 5: Solve for x
    x = 368,516,344,951.33/702,446.04
  6. Step 6: Final answer
    x = 524,618.72

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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.