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Finding the Fourth Proportional to 605,017.58, 834,909 and 333,082.76

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Solution

The fourth proportional to 605,017.58, 834,909 and 333,082.76 is: 459,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,017.58 : 834,909 = 333,082.76 : x
  2. Step 2: Convert to fraction form
    605,017.58/834,909 = 333,082.76/x
  3. Step 3: Cross multiply
    605,017.58x = 834,909 × 333,082.76
  4. Step 4: Simplify right side
    605,017.58x = 278,093,794,068.84
  5. Step 5: Solve for x
    x = 278,093,794,068.84/605,017.58
  6. Step 6: Final answer
    x = 459,645.81

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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.