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Finding the Fourth Proportional to 574,690.46, 793,016.07 and 320,065.34

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Solution

The fourth proportional to 574,690.46, 793,016.07 and 320,065.34 is: 441,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,690.46 : 793,016.07 = 320,065.34 : x
  2. Step 2: Convert to fraction form
    574,690.46/793,016.07 = 320,065.34/x
  3. Step 3: Cross multiply
    574,690.46x = 793,016.07 × 320,065.34
  4. Step 4: Simplify right side
    574,690.46x = 253,816,958,070.01
  5. Step 5: Solve for x
    x = 253,816,958,070.01/574,690.46
  6. Step 6: Final answer
    x = 441,658.55

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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.