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Finding the Fourth Proportional to 344,885.42, 475,934.83 and 215,895.04

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Solution

The fourth proportional to 344,885.42, 475,934.83 and 215,895.04 is: 297,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,885.42 : 475,934.83 = 215,895.04 : x
  2. Step 2: Convert to fraction form
    344,885.42/475,934.83 = 215,895.04/x
  3. Step 3: Cross multiply
    344,885.42x = 475,934.83 × 215,895.04
  4. Step 4: Simplify right side
    344,885.42x = 102,751,966,780.57
  5. Step 5: Solve for x
    x = 102,751,966,780.57/344,885.42
  6. Step 6: Final answer
    x = 297,930.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.