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Finding the Fourth Proportional to 474,951.30, 655,410.18 and 260,092.53

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Solution

The fourth proportional to 474,951.30, 655,410.18 and 260,092.53 is: 358,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,951.30 : 655,410.18 = 260,092.53 : x
  2. Step 2: Convert to fraction form
    474,951.30/655,410.18 = 260,092.53/x
  3. Step 3: Cross multiply
    474,951.30x = 655,410.18 × 260,092.53
  4. Step 4: Simplify right side
    474,951.30x = 170,467,291,903.96
  5. Step 5: Solve for x
    x = 170,467,291,903.96/474,951.30
  6. Step 6: Final answer
    x = 358,915.31

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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.