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Finding the Fourth Proportional to 468,367.32, 646,188.30 and 304,949.21

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Solution

The fourth proportional to 468,367.32, 646,188.30 and 304,949.21 is: 420,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,367.32 : 646,188.30 = 304,949.21 : x
  2. Step 2: Convert to fraction form
    468,367.32/646,188.30 = 304,949.21/x
  3. Step 3: Cross multiply
    468,367.32x = 646,188.30 × 304,949.21
  4. Step 4: Simplify right side
    468,367.32x = 197,054,608,365.30
  5. Step 5: Solve for x
    x = 197,054,608,365.30/468,367.32
  6. Step 6: Final answer
    x = 420,726.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.