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Finding the Fourth Proportional to 609,270.85, 840,824.85 and 337,368.84

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Solution

The fourth proportional to 609,270.85, 840,824.85 and 337,368.84 is: 465,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,270.85 : 840,824.85 = 337,368.84 : x
  2. Step 2: Convert to fraction form
    609,270.85/840,824.85 = 337,368.84/x
  3. Step 3: Cross multiply
    609,270.85x = 840,824.85 × 337,368.84
  4. Step 4: Simplify right side
    609,270.85x = 283,668,104,287.67
  5. Step 5: Solve for x
    x = 283,668,104,287.67/609,270.85
  6. Step 6: Final answer
    x = 465,586.21

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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.