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Finding the Fourth Proportional to 341,800.92, 512,368.17 and 136,574.41

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Solution

The fourth proportional to 341,800.92, 512,368.17 and 136,574.41 is: 204,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,800.92 : 512,368.17 = 136,574.41 : x
  2. Step 2: Convert to fraction form
    341,800.92/512,368.17 = 136,574.41/x
  3. Step 3: Cross multiply
    341,800.92x = 512,368.17 × 136,574.41
  4. Step 4: Simplify right side
    341,800.92x = 69,976,380,520.53
  5. Step 5: Solve for x
    x = 69,976,380,520.53/341,800.92
  6. Step 6: Final answer
    x = 204,728.47

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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.