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Finding the Fourth Proportional to 368,334, 552,586.73 and 115,600.64

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Solution

The fourth proportional to 368,334, 552,586.73 and 115,600.64 is: 173,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,334 : 552,586.73 = 115,600.64 : x
  2. Step 2: Convert to fraction form
    368,334/552,586.73 = 115,600.64/x
  3. Step 3: Cross multiply
    368,334x = 552,586.73 × 115,600.64
  4. Step 4: Simplify right side
    368,334x = 63,879,376,302.57
  5. Step 5: Solve for x
    x = 63,879,376,302.57/368,334
  6. Step 6: Final answer
    x = 173,427.86

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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.