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Finding the Fourth Proportional to 647,014.73, 892,883.88 and 375,243.77

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Solution

The fourth proportional to 647,014.73, 892,883.88 and 375,243.77 is: 517,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,014.73 : 892,883.88 = 375,243.77 : x
  2. Step 2: Convert to fraction form
    647,014.73/892,883.88 = 375,243.77/x
  3. Step 3: Cross multiply
    647,014.73x = 892,883.88 × 375,243.77
  4. Step 4: Simplify right side
    647,014.73x = 335,049,115,535.64
  5. Step 5: Solve for x
    x = 335,049,115,535.64/647,014.73
  6. Step 6: Final answer
    x = 517,838.47

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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.