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Finding the Fourth Proportional to 368,562.94, 552,817.72 and 115,915.69

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Solution

The fourth proportional to 368,562.94, 552,817.72 and 115,915.69 is: 173,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,562.94 : 552,817.72 = 115,915.69 : x
  2. Step 2: Convert to fraction form
    368,562.94/552,817.72 = 115,915.69/x
  3. Step 3: Cross multiply
    368,562.94x = 552,817.72 × 115,915.69
  4. Step 4: Simplify right side
    368,562.94x = 64,080,244,114.36
  5. Step 5: Solve for x
    x = 64,080,244,114.36/368,562.94
  6. Step 6: Final answer
    x = 173,865.13

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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.