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Finding the Fourth Proportional to 398,794.83, 550,323.45 and 237,566.37

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Solution

The fourth proportional to 398,794.83, 550,323.45 and 237,566.37 is: 327,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,794.83 : 550,323.45 = 237,566.37 : x
  2. Step 2: Convert to fraction form
    398,794.83/550,323.45 = 237,566.37/x
  3. Step 3: Cross multiply
    398,794.83x = 550,323.45 × 237,566.37
  4. Step 4: Simplify right side
    398,794.83x = 130,738,344,342.38
  5. Step 5: Solve for x
    x = 130,738,344,342.38/398,794.83
  6. Step 6: Final answer
    x = 327,833.60

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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.