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Finding the Fourth Proportional to 356,512.07, 534,408.05 and 223,485.56

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Solution

The fourth proportional to 356,512.07, 534,408.05 and 223,485.56 is: 335,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,512.07 : 534,408.05 = 223,485.56 : x
  2. Step 2: Convert to fraction form
    356,512.07/534,408.05 = 223,485.56/x
  3. Step 3: Cross multiply
    356,512.07x = 534,408.05 × 223,485.56
  4. Step 4: Simplify right side
    356,512.07x = 119,432,483,658.78
  5. Step 5: Solve for x
    x = 119,432,483,658.78/356,512.07
  6. Step 6: Final answer
    x = 335,002.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.