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Finding the Fourth Proportional to 617,201.88, 851,631.48 and 362,605.92

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Solution

The fourth proportional to 617,201.88, 851,631.48 and 362,605.92 is: 500,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,201.88 : 851,631.48 = 362,605.92 : x
  2. Step 2: Convert to fraction form
    617,201.88/851,631.48 = 362,605.92/x
  3. Step 3: Cross multiply
    617,201.88x = 851,631.48 × 362,605.92
  4. Step 4: Simplify right side
    617,201.88x = 308,806,616,306.36
  5. Step 5: Solve for x
    x = 308,806,616,306.36/617,201.88
  6. Step 6: Final answer
    x = 500,333.24

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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.