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Finding the Fourth Proportional to 587,502.80, 810,755.93 and 369,855.48

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Solution

The fourth proportional to 587,502.80, 810,755.93 and 369,855.48 is: 510,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,502.80 : 810,755.93 = 369,855.48 : x
  2. Step 2: Convert to fraction form
    587,502.80/810,755.93 = 369,855.48/x
  3. Step 3: Cross multiply
    587,502.80x = 810,755.93 × 369,855.48
  4. Step 4: Simplify right side
    587,502.80x = 299,862,523,653.00
  5. Step 5: Solve for x
    x = 299,862,523,653.00/587,502.80
  6. Step 6: Final answer
    x = 510,401.86

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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.