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Finding the Fourth Proportional to 341,366.20, 512,009.51 and 214,632.38

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Solution

The fourth proportional to 341,366.20, 512,009.51 and 214,632.38 is: 321,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,366.20 : 512,009.51 = 214,632.38 : x
  2. Step 2: Convert to fraction form
    341,366.20/512,009.51 = 214,632.38/x
  3. Step 3: Cross multiply
    341,366.20x = 512,009.51 × 214,632.38
  4. Step 4: Simplify right side
    341,366.20x = 109,893,819,920.80
  5. Step 5: Solve for x
    x = 109,893,819,920.80/341,366.20
  6. Step 6: Final answer
    x = 321,923.56

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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.