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Finding the Fourth Proportional to 317,813.00, 438,584.54 and 174,576.24

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Solution

The fourth proportional to 317,813.00, 438,584.54 and 174,576.24 is: 240,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,813.00 : 438,584.54 = 174,576.24 : x
  2. Step 2: Convert to fraction form
    317,813.00/438,584.54 = 174,576.24/x
  3. Step 3: Cross multiply
    317,813.00x = 438,584.54 × 174,576.24
  4. Step 4: Simplify right side
    317,813.00x = 76,566,439,042.45
  5. Step 5: Solve for x
    x = 76,566,439,042.45/317,813.00
  6. Step 6: Final answer
    x = 240,916.64

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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.