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Finding the Fourth Proportional to 590,680.55, 815,076.74 and 332,552.86

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Solution

The fourth proportional to 590,680.55, 815,076.74 and 332,552.86 is: 458,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,680.55 : 815,076.74 = 332,552.86 : x
  2. Step 2: Convert to fraction form
    590,680.55/815,076.74 = 332,552.86/x
  3. Step 3: Cross multiply
    590,680.55x = 815,076.74 × 332,552.86
  4. Step 4: Simplify right side
    590,680.55x = 271,056,099,800.17
  5. Step 5: Solve for x
    x = 271,056,099,800.17/590,680.55
  6. Step 6: Final answer
    x = 458,887.80

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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.