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Finding the Fourth Proportional to 614,429.52, 922,059.22 and 215,073.60

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Solution

The fourth proportional to 614,429.52, 922,059.22 and 215,073.60 is: 322,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,429.52 : 922,059.22 = 215,073.60 : x
  2. Step 2: Convert to fraction form
    614,429.52/922,059.22 = 215,073.60/x
  3. Step 3: Cross multiply
    614,429.52x = 922,059.22 × 215,073.60
  4. Step 4: Simplify right side
    614,429.52x = 198,310,595,858.59
  5. Step 5: Solve for x
    x = 198,310,595,858.59/614,429.52
  6. Step 6: Final answer
    x = 322,755.64

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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.