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Finding the Fourth Proportional to 605,724.60, 835,888.68 and 333,817.68

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Solution

The fourth proportional to 605,724.60, 835,888.68 and 333,817.68 is: 460,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,724.60 : 835,888.68 = 333,817.68 : x
  2. Step 2: Convert to fraction form
    605,724.60/835,888.68 = 333,817.68/x
  3. Step 3: Cross multiply
    605,724.60x = 835,888.68 × 333,817.68
  4. Step 4: Simplify right side
    605,724.60x = 279,034,419,895.86
  5. Step 5: Solve for x
    x = 279,034,419,895.86/605,724.60
  6. Step 6: Final answer
    x = 460,662.19

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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.