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Finding the Fourth Proportional to 341,411.20, 512,116.80 and 164,264.20

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Solution

The fourth proportional to 341,411.20, 512,116.80 and 164,264.20 is: 246,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,411.20 : 512,116.80 = 164,264.20 : x
  2. Step 2: Convert to fraction form
    341,411.20/512,116.80 = 164,264.20/x
  3. Step 3: Cross multiply
    341,411.20x = 512,116.80 × 164,264.20
  4. Step 4: Simplify right side
    341,411.20x = 84,122,456,458.56
  5. Step 5: Solve for x
    x = 84,122,456,458.56/341,411.20
  6. Step 6: Final answer
    x = 246,396.30

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1.5x scale

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.