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Finding the Fourth Proportional to 1,329,944.92, 1,835,369.28 and 786,546.52

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Solution

The fourth proportional to 1,329,944.92, 1,835,369.28 and 786,546.52 is: 1,085,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,944.92 : 1,835,369.28 = 786,546.52 : x
  2. Step 2: Convert to fraction form
    1,329,944.92/1,835,369.28 = 786,546.52/x
  3. Step 3: Cross multiply
    1,329,944.92x = 1,835,369.28 × 786,546.52
  4. Step 4: Simplify right side
    1,329,944.92x = 1,443,603,320,098.91
  5. Step 5: Solve for x
    x = 1,443,603,320,098.91/1,329,944.92
  6. Step 6: Final answer
    x = 1,085,460.98

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