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Finding the Fourth Proportional to 372,201.84, 558,320.04 and 119,492.64

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Solution

The fourth proportional to 372,201.84, 558,320.04 and 119,492.64 is: 179,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,201.84 : 558,320.04 = 119,492.64 : x
  2. Step 2: Convert to fraction form
    372,201.84/558,320.04 = 119,492.64/x
  3. Step 3: Cross multiply
    372,201.84x = 558,320.04 × 119,492.64
  4. Step 4: Simplify right side
    372,201.84x = 66,715,135,544.51
  5. Step 5: Solve for x
    x = 66,715,135,544.51/372,201.84
  6. Step 6: Final answer
    x = 179,244.51

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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.