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Finding the Fourth Proportional to 609,136.88, 840,615.54 and 337,209.32

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Solution

The fourth proportional to 609,136.88, 840,615.54 and 337,209.32 is: 465,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,136.88 : 840,615.54 = 337,209.32 : x
  2. Step 2: Convert to fraction form
    609,136.88/840,615.54 = 337,209.32/x
  3. Step 3: Cross multiply
    609,136.88x = 840,615.54 × 337,209.32
  4. Step 4: Simplify right side
    609,136.88x = 283,463,390,421.76
  5. Step 5: Solve for x
    x = 283,463,390,421.76/609,136.88
  6. Step 6: Final answer
    x = 465,352.54

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1.5x scale

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.