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Finding the Fourth Proportional to 607,468.12, 911,275.08 and 252,722.14

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Solution

The fourth proportional to 607,468.12, 911,275.08 and 252,722.14 is: 379,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,468.12 : 911,275.08 = 252,722.14 : x
  2. Step 2: Convert to fraction form
    607,468.12/911,275.08 = 252,722.14/x
  3. Step 3: Cross multiply
    607,468.12x = 911,275.08 × 252,722.14
  4. Step 4: Simplify right side
    607,468.12x = 230,299,388,346.27
  5. Step 5: Solve for x
    x = 230,299,388,346.27/607,468.12
  6. Step 6: Final answer
    x = 379,113.54

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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.