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Finding the Fourth Proportional to 646,063.29, 969,293.52 and 330,741.63

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Solution

The fourth proportional to 646,063.29, 969,293.52 and 330,741.63 is: 496,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,063.29 : 969,293.52 = 330,741.63 : x
  2. Step 2: Convert to fraction form
    646,063.29/969,293.52 = 330,741.63/x
  3. Step 3: Cross multiply
    646,063.29x = 969,293.52 × 330,741.63
  4. Step 4: Simplify right side
    646,063.29x = 320,585,718,753.24
  5. Step 5: Solve for x
    x = 320,585,718,753.24/646,063.29
  6. Step 6: Final answer
    x = 496,214.11

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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.