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Finding the Fourth Proportional to 367,699.57, 507,447.08 and 276,895.33

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Solution

The fourth proportional to 367,699.57, 507,447.08 and 276,895.33 is: 382,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,699.57 : 507,447.08 = 276,895.33 : x
  2. Step 2: Convert to fraction form
    367,699.57/507,447.08 = 276,895.33/x
  3. Step 3: Cross multiply
    367,699.57x = 507,447.08 × 276,895.33
  4. Step 4: Simplify right side
    367,699.57x = 140,509,725,059.40
  5. Step 5: Solve for x
    x = 140,509,725,059.40/367,699.57
  6. Step 6: Final answer
    x = 382,131.87

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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.