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Finding the Fourth Proportional to 587,364, 810,563.04 and 319,092

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Solution

The fourth proportional to 587,364, 810,563.04 and 319,092 is: 440,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,364 : 810,563.04 = 319,092 : x
  2. Step 2: Convert to fraction form
    587,364/810,563.04 = 319,092/x
  3. Step 3: Cross multiply
    587,364x = 810,563.04 × 319,092
  4. Step 4: Simplify right side
    587,364x = 258,644,181,559.68
  5. Step 5: Solve for x
    x = 258,644,181,559.68/587,364
  6. Step 6: Final answer
    x = 440,347.35

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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.