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Finding the Fourth Proportional to 609,309.36, 840,846.24 and 341,037.36

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Solution

The fourth proportional to 609,309.36, 840,846.24 and 341,037.36 is: 470,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,309.36 : 840,846.24 = 341,037.36 : x
  2. Step 2: Convert to fraction form
    609,309.36/840,846.24 = 341,037.36/x
  3. Step 3: Cross multiply
    609,309.36x = 840,846.24 × 341,037.36
  4. Step 4: Simplify right side
    609,309.36x = 286,759,981,855.53
  5. Step 5: Solve for x
    x = 286,759,981,855.53/609,309.36
  6. Step 6: Final answer
    x = 470,631.18

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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.