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Finding the Fourth Proportional to 341,772.40, 512,658.60 and 164,625.40

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Solution

The fourth proportional to 341,772.40, 512,658.60 and 164,625.40 is: 246,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,772.40 : 512,658.60 = 164,625.40 : x
  2. Step 2: Convert to fraction form
    341,772.40/512,658.60 = 164,625.40/x
  3. Step 3: Cross multiply
    341,772.40x = 512,658.60 × 164,625.40
  4. Step 4: Simplify right side
    341,772.40x = 84,396,627,088.44
  5. Step 5: Solve for x
    x = 84,396,627,088.44/341,772.40
  6. Step 6: Final answer
    x = 246,938.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.