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Finding the Fourth Proportional to 605,760.60, 835,945.74 and 333,830.64

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Solution

The fourth proportional to 605,760.60, 835,945.74 and 333,830.64 is: 460,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,760.60 : 835,945.74 = 333,830.64 : x
  2. Step 2: Convert to fraction form
    605,760.60/835,945.74 = 333,830.64/x
  3. Step 3: Cross multiply
    605,760.60x = 835,945.74 × 333,830.64
  4. Step 4: Simplify right side
    605,760.60x = 279,064,301,389.47
  5. Step 5: Solve for x
    x = 279,064,301,389.47/605,760.60
  6. Step 6: Final answer
    x = 460,684.14

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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.