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Finding the Fourth Proportional to 512,577.00, 707,353.44 and 283,150.07

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Solution

The fourth proportional to 512,577.00, 707,353.44 and 283,150.07 is: 390,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,577.00 : 707,353.44 = 283,150.07 : x
  2. Step 2: Convert to fraction form
    512,577.00/707,353.44 = 283,150.07/x
  3. Step 3: Cross multiply
    512,577.00x = 707,353.44 × 283,150.07
  4. Step 4: Simplify right side
    512,577.00x = 200,287,171,983.07
  5. Step 5: Solve for x
    x = 200,287,171,983.07/512,577.00
  6. Step 6: Final answer
    x = 390,745.53

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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.