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Finding the Fourth Proportional to 904,473.82, 1,248,193.52 and 517,325

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Solution

The fourth proportional to 904,473.82, 1,248,193.52 and 517,325 is: 713,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,473.82 : 1,248,193.52 = 517,325 : x
  2. Step 2: Convert to fraction form
    904,473.82/1,248,193.52 = 517,325/x
  3. Step 3: Cross multiply
    904,473.82x = 1,248,193.52 × 517,325
  4. Step 4: Simplify right side
    904,473.82x = 645,721,712,734
  5. Step 5: Solve for x
    x = 645,721,712,734/904,473.82
  6. Step 6: Final answer
    x = 713,919.74

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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.