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Finding the Fourth Proportional to 412,540.41, 569,295.54 and 228,777.93

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Solution

The fourth proportional to 412,540.41, 569,295.54 and 228,777.93 is: 315,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,540.41 : 569,295.54 = 228,777.93 : x
  2. Step 2: Convert to fraction form
    412,540.41/569,295.54 = 228,777.93/x
  3. Step 3: Cross multiply
    412,540.41x = 569,295.54 × 228,777.93
  4. Step 4: Simplify right side
    412,540.41x = 130,242,255,199.43
  5. Step 5: Solve for x
    x = 130,242,255,199.43/412,540.41
  6. Step 6: Final answer
    x = 315,707.87

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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.