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Finding the Fourth Proportional to 412,342.83, 569,033.19 and 251,197.83

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Solution

The fourth proportional to 412,342.83, 569,033.19 and 251,197.83 is: 346,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,342.83 : 569,033.19 = 251,197.83 : x
  2. Step 2: Convert to fraction form
    412,342.83/569,033.19 = 251,197.83/x
  3. Step 3: Cross multiply
    412,342.83x = 569,033.19 × 251,197.83
  4. Step 4: Simplify right side
    412,342.83x = 142,939,902,525.98
  5. Step 5: Solve for x
    x = 142,939,902,525.98/412,342.83
  6. Step 6: Final answer
    x = 346,653.06

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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.