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Finding the Fourth Proportional to 372,461.52, 558,481.44 and 340,722.48

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Solution

The fourth proportional to 372,461.52, 558,481.44 and 340,722.48 is: 510,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,461.52 : 558,481.44 = 340,722.48 : x
  2. Step 2: Convert to fraction form
    372,461.52/558,481.44 = 340,722.48/x
  3. Step 3: Cross multiply
    372,461.52x = 558,481.44 × 340,722.48
  4. Step 4: Simplify right side
    372,461.52x = 190,287,181,270.77
  5. Step 5: Solve for x
    x = 190,287,181,270.77/372,461.52
  6. Step 6: Final answer
    x = 510,890.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.