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Finding the Fourth Proportional to 500,208.60, 750,326.28 and 163,269.72

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Solution

The fourth proportional to 500,208.60, 750,326.28 and 163,269.72 is: 244,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,208.60 : 750,326.28 = 163,269.72 : x
  2. Step 2: Convert to fraction form
    500,208.60/750,326.28 = 163,269.72/x
  3. Step 3: Cross multiply
    500,208.60x = 750,326.28 × 163,269.72
  4. Step 4: Simplify right side
    500,208.60x = 122,505,561,644.24
  5. Step 5: Solve for x
    x = 122,505,561,644.24/500,208.60
  6. Step 6: Final answer
    x = 244,908.95

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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.