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Finding the Fourth Proportional to 605,410.32, 835,277.61 and 343,722.81

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Solution

The fourth proportional to 605,410.32, 835,277.61 and 343,722.81 is: 474,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,410.32 : 835,277.61 = 343,722.81 : x
  2. Step 2: Convert to fraction form
    605,410.32/835,277.61 = 343,722.81/x
  3. Step 3: Cross multiply
    605,410.32x = 835,277.61 × 343,722.81
  4. Step 4: Simplify right side
    605,410.32x = 287,103,967,239.28
  5. Step 5: Solve for x
    x = 287,103,967,239.28/605,410.32
  6. Step 6: Final answer
    x = 474,230.38

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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.