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Finding the Fourth Proportional to 864,573.72, 1,193,086.92 and 482,592.28

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Solution

The fourth proportional to 864,573.72, 1,193,086.92 and 482,592.28 is: 665,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,573.72 : 1,193,086.92 = 482,592.28 : x
  2. Step 2: Convert to fraction form
    864,573.72/1,193,086.92 = 482,592.28/x
  3. Step 3: Cross multiply
    864,573.72x = 1,193,086.92 × 482,592.28
  4. Step 4: Simplify right side
    864,573.72x = 575,774,536,960.98
  5. Step 5: Solve for x
    x = 575,774,536,960.98/864,573.72
  6. Step 6: Final answer
    x = 665,963.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.