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Finding the Fourth Proportional to 587,674.99, 810,647.89 and 369,538.43

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Solution

The fourth proportional to 587,674.99, 810,647.89 and 369,538.43 is: 509,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,674.99 : 810,647.89 = 369,538.43 : x
  2. Step 2: Convert to fraction form
    587,674.99/810,647.89 = 369,538.43/x
  3. Step 3: Cross multiply
    587,674.99x = 810,647.89 × 369,538.43
  4. Step 4: Simplify right side
    587,674.99x = 299,565,548,372.94
  5. Step 5: Solve for x
    x = 299,565,548,372.94/587,674.99
  6. Step 6: Final answer
    x = 509,746.97

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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.