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Finding the Fourth Proportional to 412,625.70, 619,922.70 and 369,323.10

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Solution

The fourth proportional to 412,625.70, 619,922.70 and 369,323.10 is: 554,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,625.70 : 619,922.70 = 369,323.10 : x
  2. Step 2: Convert to fraction form
    412,625.70/619,922.70 = 369,323.10/x
  3. Step 3: Cross multiply
    412,625.70x = 619,922.70 × 369,323.10
  4. Step 4: Simplify right side
    412,625.70x = 228,951,773,324.37
  5. Step 5: Solve for x
    x = 228,951,773,324.37/412,625.70
  6. Step 6: Final answer
    x = 554,865.52

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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.