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Finding the Fourth Proportional to 617,261.76, 924,382.64 and 557,425.44

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Solution

The fourth proportional to 617,261.76, 924,382.64 and 557,425.44 is: 834,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,261.76 : 924,382.64 = 557,425.44 : x
  2. Step 2: Convert to fraction form
    617,261.76/924,382.64 = 557,425.44/x
  3. Step 3: Cross multiply
    617,261.76x = 924,382.64 × 557,425.44
  4. Step 4: Simplify right side
    617,261.76x = 515,274,399,830.36
  5. Step 5: Solve for x
    x = 515,274,399,830.36/617,261.76
  6. Step 6: Final answer
    x = 834,774.54

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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.