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Finding the Fourth Proportional to 585,268.35, 807,735.87 and 330,635.94

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Solution

The fourth proportional to 585,268.35, 807,735.87 and 330,635.94 is: 456,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,268.35 : 807,735.87 = 330,635.94 : x
  2. Step 2: Convert to fraction form
    585,268.35/807,735.87 = 330,635.94/x
  3. Step 3: Cross multiply
    585,268.35x = 807,735.87 × 330,635.94
  4. Step 4: Simplify right side
    585,268.35x = 267,066,508,649.17
  5. Step 5: Solve for x
    x = 267,066,508,649.17/585,268.35
  6. Step 6: Final answer
    x = 456,314.63

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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.