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Finding the Fourth Proportional to 578,450.91, 866,167.34 and 465,514.23

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Solution

The fourth proportional to 578,450.91, 866,167.34 and 465,514.23 is: 697,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,450.91 : 866,167.34 = 465,514.23 : x
  2. Step 2: Convert to fraction form
    578,450.91/866,167.34 = 465,514.23/x
  3. Step 3: Cross multiply
    578,450.91x = 866,167.34 × 465,514.23
  4. Step 4: Simplify right side
    578,450.91x = 403,213,220,003.68
  5. Step 5: Solve for x
    x = 403,213,220,003.68/578,450.91
  6. Step 6: Final answer
    x = 697,056.94

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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.