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Finding the Fourth Proportional to 574,202.93, 792,383.51 and 319,548.65

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Solution

The fourth proportional to 574,202.93, 792,383.51 and 319,548.65 is: 440,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,202.93 : 792,383.51 = 319,548.65 : x
  2. Step 2: Convert to fraction form
    574,202.93/792,383.51 = 319,548.65/x
  3. Step 3: Cross multiply
    574,202.93x = 792,383.51 × 319,548.65
  4. Step 4: Simplify right side
    574,202.93x = 253,205,077,739.72
  5. Step 5: Solve for x
    x = 253,205,077,739.72/574,202.93
  6. Step 6: Final answer
    x = 440,967.93

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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.