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Finding the Fourth Proportional to 341,487.20, 512,230.80 and 164,340.20

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Solution

The fourth proportional to 341,487.20, 512,230.80 and 164,340.20 is: 246,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,487.20 : 512,230.80 = 164,340.20 : x
  2. Step 2: Convert to fraction form
    341,487.20/512,230.80 = 164,340.20/x
  3. Step 3: Cross multiply
    341,487.20x = 512,230.80 × 164,340.20
  4. Step 4: Simplify right side
    341,487.20x = 84,180,112,118.16
  5. Step 5: Solve for x
    x = 84,180,112,118.16/341,487.20
  6. Step 6: Final answer
    x = 246,510.30

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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.