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Finding the Fourth Proportional to 500,649.92, 750,725.39 and 163,646.72

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Solution

The fourth proportional to 500,649.92, 750,725.39 and 163,646.72 is: 245,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,649.92 : 750,725.39 = 163,646.72 : x
  2. Step 2: Convert to fraction form
    500,649.92/750,725.39 = 163,646.72/x
  3. Step 3: Cross multiply
    500,649.92x = 750,725.39 × 163,646.72
  4. Step 4: Simplify right side
    500,649.92x = 122,853,743,122.36
  5. Step 5: Solve for x
    x = 122,853,743,122.36/500,649.92
  6. Step 6: Final answer
    x = 245,388.52

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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.