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Finding the Fourth Proportional to 574,326.52, 792,570.54 and 319,672.24

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Solution

The fourth proportional to 574,326.52, 792,570.54 and 319,672.24 is: 441,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,326.52 : 792,570.54 = 319,672.24 : x
  2. Step 2: Convert to fraction form
    574,326.52/792,570.54 = 319,672.24/x
  3. Step 3: Cross multiply
    574,326.52x = 792,570.54 × 319,672.24
  4. Step 4: Simplify right side
    574,326.52x = 253,362,799,879.81
  5. Step 5: Solve for x
    x = 253,362,799,879.81/574,326.52
  6. Step 6: Final answer
    x = 441,147.66

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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.