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Finding the Fourth Proportional to 574,351.80, 792,592.02 and 319,697.52

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Solution

The fourth proportional to 574,351.80, 792,592.02 and 319,697.52 is: 441,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,351.80 : 792,592.02 = 319,697.52 : x
  2. Step 2: Convert to fraction form
    574,351.80/792,592.02 = 319,697.52/x
  3. Step 3: Cross multiply
    574,351.80x = 792,592.02 × 319,697.52
  4. Step 4: Simplify right side
    574,351.80x = 253,389,703,165.79
  5. Step 5: Solve for x
    x = 253,389,703,165.79/574,351.80
  6. Step 6: Final answer
    x = 441,175.08

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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.