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Finding the Fourth Proportional to 537,435.61, 741,660.30 and 322,576.63

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Solution

The fourth proportional to 537,435.61, 741,660.30 and 322,576.63 is: 445,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,435.61 : 741,660.30 = 322,576.63 : x
  2. Step 2: Convert to fraction form
    537,435.61/741,660.30 = 322,576.63/x
  3. Step 3: Cross multiply
    537,435.61x = 741,660.30 × 322,576.63
  4. Step 4: Simplify right side
    537,435.61x = 239,242,278,324.64
  5. Step 5: Solve for x
    x = 239,242,278,324.64/537,435.61
  6. Step 6: Final answer
    x = 445,155.24

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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.