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Finding the Fourth Proportional to 568,575.88, 783,700.30 and 403,060.26

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Solution

The fourth proportional to 568,575.88, 783,700.30 and 403,060.26 is: 555,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,575.88 : 783,700.30 = 403,060.26 : x
  2. Step 2: Convert to fraction form
    568,575.88/783,700.30 = 403,060.26/x
  3. Step 3: Cross multiply
    568,575.88x = 783,700.30 × 403,060.26
  4. Step 4: Simplify right side
    568,575.88x = 315,878,446,680.08
  5. Step 5: Solve for x
    x = 315,878,446,680.08/568,575.88
  6. Step 6: Final answer
    x = 555,560.76

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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.