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Finding the Fourth Proportional to 1,733,841.72, 2,392,794.54 and 969,849.72

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Solution

The fourth proportional to 1,733,841.72, 2,392,794.54 and 969,849.72 is: 1,338,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,841.72 : 2,392,794.54 = 969,849.72 : x
  2. Step 2: Convert to fraction form
    1,733,841.72/2,392,794.54 = 969,849.72/x
  3. Step 3: Cross multiply
    1,733,841.72x = 2,392,794.54 × 969,849.72
  4. Step 4: Simplify right side
    1,733,841.72x = 2,320,651,114,636.53
  5. Step 5: Solve for x
    x = 2,320,651,114,636.53/1,733,841.72
  6. Step 6: Final answer
    x = 1,338,444.62

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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.