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Finding the Fourth Proportional to 866,825.78, 1,196,320.61 and 504,264.92

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Solution

The fourth proportional to 866,825.78, 1,196,320.61 and 504,264.92 is: 695,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,825.78 : 1,196,320.61 = 504,264.92 : x
  2. Step 2: Convert to fraction form
    866,825.78/1,196,320.61 = 504,264.92/x
  3. Step 3: Cross multiply
    866,825.78x = 1,196,320.61 × 504,264.92
  4. Step 4: Simplify right side
    866,825.78x = 603,262,516,696.00
  5. Step 5: Solve for x
    x = 603,262,516,696.00/866,825.78
  6. Step 6: Final answer
    x = 695,944.36

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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.