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Finding the Fourth Proportional to 344,786.08, 517,078.08 and 134,373.76

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Solution

The fourth proportional to 344,786.08, 517,078.08 and 134,373.76 is: 201,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,786.08 : 517,078.08 = 134,373.76 : x
  2. Step 2: Convert to fraction form
    344,786.08/517,078.08 = 134,373.76/x
  3. Step 3: Cross multiply
    344,786.08x = 517,078.08 × 134,373.76
  4. Step 4: Simplify right side
    344,786.08x = 69,481,725,823.18
  5. Step 5: Solve for x
    x = 69,481,725,823.18/344,786.08
  6. Step 6: Final answer
    x = 201,521.26

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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.