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Finding the Fourth Proportional to 607,467.83, 911,201.20 and 186,743.03

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Solution

The fourth proportional to 607,467.83, 911,201.20 and 186,743.03 is: 280,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,467.83 : 911,201.20 = 186,743.03 : x
  2. Step 2: Convert to fraction form
    607,467.83/911,201.20 = 186,743.03/x
  3. Step 3: Cross multiply
    607,467.83x = 911,201.20 × 186,743.03
  4. Step 4: Simplify right side
    607,467.83x = 170,160,468,004.77
  5. Step 5: Solve for x
    x = 170,160,468,004.77/607,467.83
  6. Step 6: Final answer
    x = 280,114.37

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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.