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Finding the Fourth Proportional to 609,003, 840,425.79 and 337,089.63

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Solution

The fourth proportional to 609,003, 840,425.79 and 337,089.63 is: 465,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,003 : 840,425.79 = 337,089.63 : x
  2. Step 2: Convert to fraction form
    609,003/840,425.79 = 337,089.63/x
  3. Step 3: Cross multiply
    609,003x = 840,425.79 × 337,089.63
  4. Step 4: Simplify right side
    609,003x = 283,298,818,593.56
  5. Step 5: Solve for x
    x = 283,298,818,593.56/609,003
  6. Step 6: Final answer
    x = 465,184.60

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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.