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Finding the Fourth Proportional to 372,546.54, 558,914.13 and 106,308

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Solution

The fourth proportional to 372,546.54, 558,914.13 and 106,308 is: 159,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,546.54 : 558,914.13 = 106,308 : x
  2. Step 2: Convert to fraction form
    372,546.54/558,914.13 = 106,308/x
  3. Step 3: Cross multiply
    372,546.54x = 558,914.13 × 106,308
  4. Step 4: Simplify right side
    372,546.54x = 59,417,043,332.04
  5. Step 5: Solve for x
    x = 59,417,043,332.04/372,546.54
  6. Step 6: Final answer
    x = 159,488.91

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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.