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Finding the Fourth Proportional to 542,550.48, 748,697.76 and 297,530.16

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Solution

The fourth proportional to 542,550.48, 748,697.76 and 297,530.16 is: 410,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,550.48 : 748,697.76 = 297,530.16 : x
  2. Step 2: Convert to fraction form
    542,550.48/748,697.76 = 297,530.16/x
  3. Step 3: Cross multiply
    542,550.48x = 748,697.76 × 297,530.16
  4. Step 4: Simplify right side
    542,550.48x = 222,760,164,324.44
  5. Step 5: Solve for x
    x = 222,760,164,324.44/542,550.48
  6. Step 6: Final answer
    x = 410,579.61

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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.