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Finding the Fourth Proportional to 609,368.44, 840,918.13 and 337,430.52

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Solution

The fourth proportional to 609,368.44, 840,918.13 and 337,430.52 is: 465,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,368.44 : 840,918.13 = 337,430.52 : x
  2. Step 2: Convert to fraction form
    609,368.44/840,918.13 = 337,430.52/x
  3. Step 3: Cross multiply
    609,368.44x = 840,918.13 × 337,430.52
  4. Step 4: Simplify right side
    609,368.44x = 283,751,441,883.33
  5. Step 5: Solve for x
    x = 283,751,441,883.33/609,368.44
  6. Step 6: Final answer
    x = 465,648.40

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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.