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Finding the Fourth Proportional to 609,287.86, 840,816.57 and 341,015.86

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Solution

The fourth proportional to 609,287.86, 840,816.57 and 341,015.86 is: 470,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,287.86 : 840,816.57 = 341,015.86 : x
  2. Step 2: Convert to fraction form
    609,287.86/840,816.57 = 341,015.86/x
  3. Step 3: Cross multiply
    609,287.86x = 840,816.57 × 341,015.86
  4. Step 4: Simplify right side
    609,287.86x = 286,731,785,720.80
  5. Step 5: Solve for x
    x = 286,731,785,720.80/609,287.86
  6. Step 6: Final answer
    x = 470,601.51

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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.