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Finding the Fourth Proportional to 482,269.31, 665,470.47 and 264,420.66

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Solution

The fourth proportional to 482,269.31, 665,470.47 and 264,420.66 is: 364,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,269.31 : 665,470.47 = 264,420.66 : x
  2. Step 2: Convert to fraction form
    482,269.31/665,470.47 = 264,420.66/x
  3. Step 3: Cross multiply
    482,269.31x = 665,470.47 × 264,420.66
  4. Step 4: Simplify right side
    482,269.31x = 175,964,140,887.91
  5. Step 5: Solve for x
    x = 175,964,140,887.91/482,269.31
  6. Step 6: Final answer
    x = 364,866.97

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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.