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Finding the Fourth Proportional to 702,442.08, 969,372.54 and 380,152.08

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Solution

The fourth proportional to 702,442.08, 969,372.54 and 380,152.08 is: 524,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,442.08 : 969,372.54 = 380,152.08 : x
  2. Step 2: Convert to fraction form
    702,442.08/969,372.54 = 380,152.08/x
  3. Step 3: Cross multiply
    702,442.08x = 969,372.54 × 380,152.08
  4. Step 4: Simplify right side
    702,442.08x = 368,508,987,375.88
  5. Step 5: Solve for x
    x = 368,508,987,375.88/702,442.08
  6. Step 6: Final answer
    x = 524,611.21

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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.