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Finding the Fourth Proportional to 574,310.52, 792,548.55 and 319,656.24

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Solution

The fourth proportional to 574,310.52, 792,548.55 and 319,656.24 is: 441,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,310.52 : 792,548.55 = 319,656.24 : x
  2. Step 2: Convert to fraction form
    574,310.52/792,548.55 = 319,656.24/x
  3. Step 3: Cross multiply
    574,310.52x = 792,548.55 × 319,656.24
  4. Step 4: Simplify right side
    574,310.52x = 253,343,089,510.45
  5. Step 5: Solve for x
    x = 253,343,089,510.45/574,310.52
  6. Step 6: Final answer
    x = 441,125.63

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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.