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Finding the Fourth Proportional to 568,638.40, 854,224.80 and 475,326.40

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Solution

The fourth proportional to 568,638.40, 854,224.80 and 475,326.40 is: 714,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,638.40 : 854,224.80 = 475,326.40 : x
  2. Step 2: Convert to fraction form
    568,638.40/854,224.80 = 475,326.40/x
  3. Step 3: Cross multiply
    568,638.40x = 854,224.80 × 475,326.40
  4. Step 4: Simplify right side
    568,638.40x = 406,035,598,974.72
  5. Step 5: Solve for x
    x = 406,035,598,974.72/568,638.40
  6. Step 6: Final answer
    x = 714,048.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.