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Finding the Fourth Proportional to 590,429.78, 814,766.87 and 328,798.58

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Solution

The fourth proportional to 590,429.78, 814,766.87 and 328,798.58 is: 453,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,429.78 : 814,766.87 = 328,798.58 : x
  2. Step 2: Convert to fraction form
    590,429.78/814,766.87 = 328,798.58/x
  3. Step 3: Cross multiply
    590,429.78x = 814,766.87 × 328,798.58
  4. Step 4: Simplify right side
    590,429.78x = 267,894,189,887.05
  5. Step 5: Solve for x
    x = 267,894,189,887.05/590,429.78
  6. Step 6: Final answer
    x = 453,727.44

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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.