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Finding the Fourth Proportional to 965,373.39, 1,448,129.34 and 255,393

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Solution

The fourth proportional to 965,373.39, 1,448,129.34 and 255,393 is: 383,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,373.39 : 1,448,129.34 = 255,393 : x
  2. Step 2: Convert to fraction form
    965,373.39/1,448,129.34 = 255,393/x
  3. Step 3: Cross multiply
    965,373.39x = 1,448,129.34 × 255,393
  4. Step 4: Simplify right side
    965,373.39x = 369,842,096,530.62
  5. Step 5: Solve for x
    x = 369,842,096,530.62/965,373.39
  6. Step 6: Final answer
    x = 383,107.82

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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.