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Finding the Fourth Proportional to 529,021.92, 730,352.87 and 348,259.32

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Solution

The fourth proportional to 529,021.92, 730,352.87 and 348,259.32 is: 480,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,021.92 : 730,352.87 = 348,259.32 : x
  2. Step 2: Convert to fraction form
    529,021.92/730,352.87 = 348,259.32/x
  3. Step 3: Cross multiply
    529,021.92x = 730,352.87 × 348,259.32
  4. Step 4: Simplify right side
    529,021.92x = 254,352,188,473.19
  5. Step 5: Solve for x
    x = 254,352,188,473.19/529,021.92
  6. Step 6: Final answer
    x = 480,797.07

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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.