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Finding the Fourth Proportional to 570,027.84, 855,040.96 and 228,625.28

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Solution

The fourth proportional to 570,027.84, 855,040.96 and 228,625.28 is: 342,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,027.84 : 855,040.96 = 228,625.28 : x
  2. Step 2: Convert to fraction form
    570,027.84/855,040.96 = 228,625.28/x
  3. Step 3: Cross multiply
    570,027.84x = 855,040.96 × 228,625.28
  4. Step 4: Simplify right side
    570,027.84x = 195,483,978,891.47
  5. Step 5: Solve for x
    x = 195,483,978,891.47/570,027.84
  6. Step 6: Final answer
    x = 342,937.60

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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.