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Finding the Fourth Proportional to 362,603.92, 543,901.83 and 220,488.34

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Solution

The fourth proportional to 362,603.92, 543,901.83 and 220,488.34 is: 330,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,603.92 : 543,901.83 = 220,488.34 : x
  2. Step 2: Convert to fraction form
    362,603.92/543,901.83 = 220,488.34/x
  3. Step 3: Cross multiply
    362,603.92x = 543,901.83 × 220,488.34
  4. Step 4: Simplify right side
    362,603.92x = 119,924,011,619.66
  5. Step 5: Solve for x
    x = 119,924,011,619.66/362,603.92
  6. Step 6: Final answer
    x = 330,730.05

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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.