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Finding the Fourth Proportional to 332,375.16, 458,661.78 and 189,121.80

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Solution

The fourth proportional to 332,375.16, 458,661.78 and 189,121.80 is: 260,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,375.16 : 458,661.78 = 189,121.80 : x
  2. Step 2: Convert to fraction form
    332,375.16/458,661.78 = 189,121.80/x
  3. Step 3: Cross multiply
    332,375.16x = 458,661.78 × 189,121.80
  4. Step 4: Simplify right side
    332,375.16x = 86,742,941,424.80
  5. Step 5: Solve for x
    x = 86,742,941,424.80/332,375.16
  6. Step 6: Final answer
    x = 260,979.01

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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.