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Finding the Fourth Proportional to 518,896.53, 716,076.05 and 292,540.41

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Solution

The fourth proportional to 518,896.53, 716,076.05 and 292,540.41 is: 403,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,896.53 : 716,076.05 = 292,540.41 : x
  2. Step 2: Convert to fraction form
    518,896.53/716,076.05 = 292,540.41/x
  3. Step 3: Cross multiply
    518,896.53x = 716,076.05 × 292,540.41
  4. Step 4: Simplify right side
    518,896.53x = 209,481,179,795.48
  5. Step 5: Solve for x
    x = 209,481,179,795.48/518,896.53
  6. Step 6: Final answer
    x = 403,705.11

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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.