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Finding the Fourth Proportional to 574,329.86, 792,561.64 and 319,675.58

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Solution

The fourth proportional to 574,329.86, 792,561.64 and 319,675.58 is: 441,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,329.86 : 792,561.64 = 319,675.58 : x
  2. Step 2: Convert to fraction form
    574,329.86/792,561.64 = 319,675.58/x
  3. Step 3: Cross multiply
    574,329.86x = 792,561.64 × 319,675.58
  4. Step 4: Simplify right side
    574,329.86x = 253,362,601,952.75
  5. Step 5: Solve for x
    x = 253,362,601,952.75/574,329.86
  6. Step 6: Final answer
    x = 441,144.75

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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.