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Finding the Fourth Proportional to 369,750.80, 554,302.20 and 251,037.20

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Solution

The fourth proportional to 369,750.80, 554,302.20 and 251,037.20 is: 376,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,750.80 : 554,302.20 = 251,037.20 : x
  2. Step 2: Convert to fraction form
    369,750.80/554,302.20 = 251,037.20/x
  3. Step 3: Cross multiply
    369,750.80x = 554,302.20 × 251,037.20
  4. Step 4: Simplify right side
    369,750.80x = 139,150,472,241.84
  5. Step 5: Solve for x
    x = 139,150,472,241.84/369,750.80
  6. Step 6: Final answer
    x = 376,335.82

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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.