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Finding the Fourth Proportional to 617,097.59, 851,673.54 and 345,180.59

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Solution

The fourth proportional to 617,097.59, 851,673.54 and 345,180.59 is: 476,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,097.59 : 851,673.54 = 345,180.59 : x
  2. Step 2: Convert to fraction form
    617,097.59/851,673.54 = 345,180.59/x
  3. Step 3: Cross multiply
    617,097.59x = 851,673.54 × 345,180.59
  4. Step 4: Simplify right side
    617,097.59x = 293,981,173,312.78
  5. Step 5: Solve for x
    x = 293,981,173,312.78/617,097.59
  6. Step 6: Final answer
    x = 476,393.33

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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.