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Finding the Fourth Proportional to 574,456.46, 792,734.46 and 319,807.64

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Solution

The fourth proportional to 574,456.46, 792,734.46 and 319,807.64 is: 441,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,456.46 : 792,734.46 = 319,807.64 : x
  2. Step 2: Convert to fraction form
    574,456.46/792,734.46 = 319,807.64/x
  3. Step 3: Cross multiply
    574,456.46x = 792,734.46 × 319,807.64
  4. Step 4: Simplify right side
    574,456.46x = 253,522,532,835.60
  5. Step 5: Solve for x
    x = 253,522,532,835.60/574,456.46
  6. Step 6: Final answer
    x = 441,325.94

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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.