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Finding the Fourth Proportional to 398,661.04, 550,285.56 and 237,566.62

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Solution

The fourth proportional to 398,661.04, 550,285.56 and 237,566.62 is: 327,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,661.04 : 550,285.56 = 237,566.62 : x
  2. Step 2: Convert to fraction form
    398,661.04/550,285.56 = 237,566.62/x
  3. Step 3: Cross multiply
    398,661.04x = 550,285.56 × 237,566.62
  4. Step 4: Simplify right side
    398,661.04x = 130,729,480,524.01
  5. Step 5: Solve for x
    x = 130,729,480,524.01/398,661.04
  6. Step 6: Final answer
    x = 327,921.39

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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.