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Finding the Fourth Proportional to 605,090.78, 835,045.17 and 333,178.64

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Solution

The fourth proportional to 605,090.78, 835,045.17 and 333,178.64 is: 459,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,090.78 : 835,045.17 = 333,178.64 : x
  2. Step 2: Convert to fraction form
    605,090.78/835,045.17 = 333,178.64/x
  3. Step 3: Cross multiply
    605,090.78x = 835,045.17 × 333,178.64
  4. Step 4: Simplify right side
    605,090.78x = 278,219,214,079.17
  5. Step 5: Solve for x
    x = 278,219,214,079.17/605,090.78
  6. Step 6: Final answer
    x = 459,797.48

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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.