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Finding the Fourth Proportional to 590,803.41, 815,029.52 and 348,924.45

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Solution

The fourth proportional to 590,803.41, 815,029.52 and 348,924.45 is: 481,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,803.41 : 815,029.52 = 348,924.45 : x
  2. Step 2: Convert to fraction form
    590,803.41/815,029.52 = 348,924.45/x
  3. Step 3: Cross multiply
    590,803.41x = 815,029.52 × 348,924.45
  4. Step 4: Simplify right side
    590,803.41x = 284,383,725,255.14
  5. Step 5: Solve for x
    x = 284,383,725,255.14/590,803.41
  6. Step 6: Final answer
    x = 481,350.85

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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.