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Finding the Fourth Proportional to 467,122.70, 644,629.32 and 252,262.76

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Solution

The fourth proportional to 467,122.70, 644,629.32 and 252,262.76 is: 348,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,122.70 : 644,629.32 = 252,262.76 : x
  2. Step 2: Convert to fraction form
    467,122.70/644,629.32 = 252,262.76/x
  3. Step 3: Cross multiply
    467,122.70x = 644,629.32 × 252,262.76
  4. Step 4: Simplify right side
    467,122.70x = 162,615,968,216.98
  5. Step 5: Solve for x
    x = 162,615,968,216.98/467,122.70
  6. Step 6: Final answer
    x = 348,122.60

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1.5x scale

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.