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Finding the Fourth Proportional to 296,575.78, 446,887.48 and 245,137.54

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Solution

The fourth proportional to 296,575.78, 446,887.48 and 245,137.54 is: 369,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,575.78 : 446,887.48 = 245,137.54 : x
  2. Step 2: Convert to fraction form
    296,575.78/446,887.48 = 245,137.54/x
  3. Step 3: Cross multiply
    296,575.78x = 446,887.48 × 245,137.54
  4. Step 4: Simplify right side
    296,575.78x = 109,548,897,504.00
  5. Step 5: Solve for x
    x = 109,548,897,504.00/296,575.78
  6. Step 6: Final answer
    x = 369,379.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.