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Finding the Fourth Proportional to 617,233.23, 851,747.51 and 345,248.64

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Solution

The fourth proportional to 617,233.23, 851,747.51 and 345,248.64 is: 476,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,233.23 : 851,747.51 = 345,248.64 : x
  2. Step 2: Convert to fraction form
    617,233.23/851,747.51 = 345,248.64/x
  3. Step 3: Cross multiply
    617,233.23x = 851,747.51 × 345,248.64
  4. Step 4: Simplify right side
    617,233.23x = 294,064,667,724.64
  5. Step 5: Solve for x
    x = 294,064,667,724.64/617,233.23
  6. Step 6: Final answer
    x = 476,423.91

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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.