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Finding the Fourth Proportional to 606,817.13, 837,722.42 and 443,290.04

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Solution

The fourth proportional to 606,817.13, 837,722.42 and 443,290.04 is: 611,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,817.13 : 837,722.42 = 443,290.04 : x
  2. Step 2: Convert to fraction form
    606,817.13/837,722.42 = 443,290.04/x
  3. Step 3: Cross multiply
    606,817.13x = 837,722.42 × 443,290.04
  4. Step 4: Simplify right side
    606,817.13x = 371,354,002,854.25
  5. Step 5: Solve for x
    x = 371,354,002,854.25/606,817.13
  6. Step 6: Final answer
    x = 611,970.21

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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.