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Finding the Fourth Proportional to 607,468.83, 911,202.70 and 186,744.03

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Solution

The fourth proportional to 607,468.83, 911,202.70 and 186,744.03 is: 280,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,468.83 : 911,202.70 = 186,744.03 : x
  2. Step 2: Convert to fraction form
    607,468.83/911,202.70 = 186,744.03/x
  3. Step 3: Cross multiply
    607,468.83x = 911,202.70 × 186,744.03
  4. Step 4: Simplify right side
    607,468.83x = 170,161,664,344.88
  5. Step 5: Solve for x
    x = 170,161,664,344.88/607,468.83
  6. Step 6: Final answer
    x = 280,115.88

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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.