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Finding the Fourth Proportional to 542,359.56, 748,203.06 and 341,266.44

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Solution

The fourth proportional to 542,359.56, 748,203.06 and 341,266.44 is: 470,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,359.56 : 748,203.06 = 341,266.44 : x
  2. Step 2: Convert to fraction form
    542,359.56/748,203.06 = 341,266.44/x
  3. Step 3: Cross multiply
    542,359.56x = 748,203.06 × 341,266.44
  4. Step 4: Simplify right side
    542,359.56x = 255,336,594,683.31
  5. Step 5: Solve for x
    x = 255,336,594,683.31/542,359.56
  6. Step 6: Final answer
    x = 470,788.41

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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.