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Finding the Fourth Proportional to 605,320.75, 835,380.55 and 333,388.59

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Solution

The fourth proportional to 605,320.75, 835,380.55 and 333,388.59 is: 460,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,320.75 : 835,380.55 = 333,388.59 : x
  2. Step 2: Convert to fraction form
    605,320.75/835,380.55 = 333,388.59/x
  3. Step 3: Cross multiply
    605,320.75x = 835,380.55 × 333,388.59
  4. Step 4: Simplify right side
    605,320.75x = 278,506,340,961.98
  5. Step 5: Solve for x
    x = 278,506,340,961.98/605,320.75
  6. Step 6: Final answer
    x = 460,097.13

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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.