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Finding the Fourth Proportional to 697,754.48, 962,649.24 and 395,773.52

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Solution

The fourth proportional to 697,754.48, 962,649.24 and 395,773.52 is: 546,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,754.48 : 962,649.24 = 395,773.52 : x
  2. Step 2: Convert to fraction form
    697,754.48/962,649.24 = 395,773.52/x
  3. Step 3: Cross multiply
    697,754.48x = 962,649.24 × 395,773.52
  4. Step 4: Simplify right side
    697,754.48x = 380,991,078,240.13
  5. Step 5: Solve for x
    x = 380,991,078,240.13/697,754.48
  6. Step 6: Final answer
    x = 546,024.55

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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.