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Finding the Fourth Proportional to 807,758.92, 1,114,661.91 and 445,181.68

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Solution

The fourth proportional to 807,758.92, 1,114,661.91 and 445,181.68 is: 614,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,758.92 : 1,114,661.91 = 445,181.68 : x
  2. Step 2: Convert to fraction form
    807,758.92/1,114,661.91 = 445,181.68/x
  3. Step 3: Cross multiply
    807,758.92x = 1,114,661.91 × 445,181.68
  4. Step 4: Simplify right side
    807,758.92x = 496,227,061,725.81
  5. Step 5: Solve for x
    x = 496,227,061,725.81/807,758.92
  6. Step 6: Final answer
    x = 614,325.70

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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.