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Finding the Fourth Proportional to 614,569.20, 922,372.20 and 299,295.60

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Solution

The fourth proportional to 614,569.20, 922,372.20 and 299,295.60 is: 449,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,569.20 : 922,372.20 = 299,295.60 : x
  2. Step 2: Convert to fraction form
    614,569.20/922,372.20 = 299,295.60/x
  3. Step 3: Cross multiply
    614,569.20x = 922,372.20 × 299,295.60
  4. Step 4: Simplify right side
    614,569.20x = 276,061,941,022.32
  5. Step 5: Solve for x
    x = 276,061,941,022.32/614,569.20
  6. Step 6: Final answer
    x = 449,195.86

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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.