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Finding the Fourth Proportional to 609,086.72, 840,529.47 and 337,148.76

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Solution

The fourth proportional to 609,086.72, 840,529.47 and 337,148.76 is: 465,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,086.72 : 840,529.47 = 337,148.76 : x
  2. Step 2: Convert to fraction form
    609,086.72/840,529.47 = 337,148.76/x
  3. Step 3: Cross multiply
    609,086.72x = 840,529.47 × 337,148.76
  4. Step 4: Simplify right side
    609,086.72x = 283,383,472,970.25
  5. Step 5: Solve for x
    x = 283,383,472,970.25/609,086.72
  6. Step 6: Final answer
    x = 465,259.65

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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.