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Finding the Fourth Proportional to 570,192.52, 854,472.30 and 320,349.64

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Solution

The fourth proportional to 570,192.52, 854,472.30 and 320,349.64 is: 480,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,192.52 : 854,472.30 = 320,349.64 : x
  2. Step 2: Convert to fraction form
    570,192.52/854,472.30 = 320,349.64/x
  3. Step 3: Cross multiply
    570,192.52x = 854,472.30 × 320,349.64
  4. Step 4: Simplify right side
    570,192.52x = 273,729,893,694.97
  5. Step 5: Solve for x
    x = 273,729,893,694.97/570,192.52
  6. Step 6: Final answer
    x = 480,065.74

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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.