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Finding the Fourth Proportional to 442,722.22, 610,953.80 and 251,735.60

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Solution

The fourth proportional to 442,722.22, 610,953.80 and 251,735.60 is: 347,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,722.22 : 610,953.80 = 251,735.60 : x
  2. Step 2: Convert to fraction form
    442,722.22/610,953.80 = 251,735.60/x
  3. Step 3: Cross multiply
    442,722.22x = 610,953.80 × 251,735.60
  4. Step 4: Simplify right side
    442,722.22x = 153,798,818,989.85
  5. Step 5: Solve for x
    x = 153,798,818,989.85/442,722.22
  6. Step 6: Final answer
    x = 347,393.50

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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.