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Finding the Fourth Proportional to 605,788.60, 835,993.92 and 333,866.20

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Solution

The fourth proportional to 605,788.60, 835,993.92 and 333,866.20 is: 460,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,788.60 : 835,993.92 = 333,866.20 : x
  2. Step 2: Convert to fraction form
    605,788.60/835,993.92 = 333,866.20/x
  3. Step 3: Cross multiply
    605,788.60x = 835,993.92 × 333,866.20
  4. Step 4: Simplify right side
    605,788.60x = 279,110,113,293.50
  5. Step 5: Solve for x
    x = 279,110,113,293.50/605,788.60
  6. Step 6: Final answer
    x = 460,738.47

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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.