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Finding the Fourth Proportional to 641,194.37, 957,056.13 and 565,551.71

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Solution

The fourth proportional to 641,194.37, 957,056.13 and 565,551.71 is: 844,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,194.37 : 957,056.13 = 565,551.71 : x
  2. Step 2: Convert to fraction form
    641,194.37/957,056.13 = 565,551.71/x
  3. Step 3: Cross multiply
    641,194.37x = 957,056.13 × 565,551.71
  4. Step 4: Simplify right side
    641,194.37x = 541,264,730,887.48
  5. Step 5: Solve for x
    x = 541,264,730,887.48/641,194.37
  6. Step 6: Final answer
    x = 844,150.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.