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Finding the Fourth Proportional to 529,141.08, 730,330.24 and 325,367.36

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Solution

The fourth proportional to 529,141.08, 730,330.24 and 325,367.36 is: 449,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,141.08 : 730,330.24 = 325,367.36 : x
  2. Step 2: Convert to fraction form
    529,141.08/730,330.24 = 325,367.36/x
  3. Step 3: Cross multiply
    529,141.08x = 730,330.24 × 325,367.36
  4. Step 4: Simplify right side
    529,141.08x = 237,625,622,116.97
  5. Step 5: Solve for x
    x = 237,625,622,116.97/529,141.08
  6. Step 6: Final answer
    x = 449,078.01

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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.