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Finding the Fourth Proportional to 427,710.52, 590,188.74 and 246,481.84

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Solution

The fourth proportional to 427,710.52, 590,188.74 and 246,481.84 is: 340,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,710.52 : 590,188.74 = 246,481.84 : x
  2. Step 2: Convert to fraction form
    427,710.52/590,188.74 = 246,481.84/x
  3. Step 3: Cross multiply
    427,710.52x = 590,188.74 × 246,481.84
  4. Step 4: Simplify right side
    427,710.52x = 145,470,806,582.48
  5. Step 5: Solve for x
    x = 145,470,806,582.48/427,710.52
  6. Step 6: Final answer
    x = 340,115.10

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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.