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Finding the Fourth Proportional to 574,742.83, 793,169.93 and 320,094.02

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Solution

The fourth proportional to 574,742.83, 793,169.93 and 320,094.02 is: 441,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,742.83 : 793,169.93 = 320,094.02 : x
  2. Step 2: Convert to fraction form
    574,742.83/793,169.93 = 320,094.02/x
  3. Step 3: Cross multiply
    574,742.83x = 793,169.93 × 320,094.02
  4. Step 4: Simplify right side
    574,742.83x = 253,888,951,436.82
  5. Step 5: Solve for x
    x = 253,888,951,436.82/574,742.83
  6. Step 6: Final answer
    x = 441,743.57

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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.