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Finding the Fourth Proportional to 251,714.98, 377,571.66 and 74,223.46

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Solution

The fourth proportional to 251,714.98, 377,571.66 and 74,223.46 is: 111,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,714.98 : 377,571.66 = 74,223.46 : x
  2. Step 2: Convert to fraction form
    251,714.98/377,571.66 = 74,223.46/x
  3. Step 3: Cross multiply
    251,714.98x = 377,571.66 × 74,223.46
  4. Step 4: Simplify right side
    251,714.98x = 28,024,675,003.14
  5. Step 5: Solve for x
    x = 28,024,675,003.14/251,714.98
  6. Step 6: Final answer
    x = 111,334.95

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1.5x scale

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.