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Finding the Fourth Proportional to 943,254, 1,413,991.56 and 469,491.48

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Solution

The fourth proportional to 943,254, 1,413,991.56 and 469,491.48 is: 703,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,254 : 1,413,991.56 = 469,491.48 : x
  2. Step 2: Convert to fraction form
    943,254/1,413,991.56 = 469,491.48/x
  3. Step 3: Cross multiply
    943,254x = 1,413,991.56 × 469,491.48
  4. Step 4: Simplify right side
    943,254x = 663,856,990,211.91
  5. Step 5: Solve for x
    x = 663,856,990,211.91/943,254
  6. Step 6: Final answer
    x = 703,794.51

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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.