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Finding the Fourth Proportional to 341,530.17, 512,178.62 and 215,092.41

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Solution

The fourth proportional to 341,530.17, 512,178.62 and 215,092.41 is: 322,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,530.17 : 512,178.62 = 215,092.41 : x
  2. Step 2: Convert to fraction form
    341,530.17/512,178.62 = 215,092.41/x
  3. Step 3: Cross multiply
    341,530.17x = 512,178.62 × 215,092.41
  4. Step 4: Simplify right side
    341,530.17x = 110,165,732,650.81
  5. Step 5: Solve for x
    x = 110,165,732,650.81/341,530.17
  6. Step 6: Final answer
    x = 322,565.16

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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.