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Finding the Fourth Proportional to 536,508.06, 740,445.49 and 321,766.26

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Solution

The fourth proportional to 536,508.06, 740,445.49 and 321,766.26 is: 444,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,508.06 : 740,445.49 = 321,766.26 : x
  2. Step 2: Convert to fraction form
    536,508.06/740,445.49 = 321,766.26/x
  3. Step 3: Cross multiply
    536,508.06x = 740,445.49 × 321,766.26
  4. Step 4: Simplify right side
    536,508.06x = 238,250,371,866.77
  5. Step 5: Solve for x
    x = 238,250,371,866.77/536,508.06
  6. Step 6: Final answer
    x = 444,076.04

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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.