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Finding the Fourth Proportional to 372,241.40, 558,362.10 and 330,907.10

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Solution

The fourth proportional to 372,241.40, 558,362.10 and 330,907.10 is: 496,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.40 : 558,362.10 = 330,907.10 : x
  2. Step 2: Convert to fraction form
    372,241.40/558,362.10 = 330,907.10/x
  3. Step 3: Cross multiply
    372,241.40x = 558,362.10 × 330,907.10
  4. Step 4: Simplify right side
    372,241.40x = 184,765,983,260.91
  5. Step 5: Solve for x
    x = 184,765,983,260.91/372,241.40
  6. Step 6: Final answer
    x = 496,360.65

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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.