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Finding the Fourth Proportional to 605,390.72, 835,431.52 and 333,453.12

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Solution

The fourth proportional to 605,390.72, 835,431.52 and 333,453.12 is: 460,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,390.72 : 835,431.52 = 333,453.12 : x
  2. Step 2: Convert to fraction form
    605,390.72/835,431.52 = 333,453.12/x
  3. Step 3: Cross multiply
    605,390.72x = 835,431.52 × 333,453.12
  4. Step 4: Simplify right side
    605,390.72x = 278,577,246,890.34
  5. Step 5: Solve for x
    x = 278,577,246,890.34/605,390.72
  6. Step 6: Final answer
    x = 460,161.08

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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.