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Finding the Fourth Proportional to 250,483.62, 345,719.55 and 230,308.54

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Solution

The fourth proportional to 250,483.62, 345,719.55 and 230,308.54 is: 317,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,483.62 : 345,719.55 = 230,308.54 : x
  2. Step 2: Convert to fraction form
    250,483.62/345,719.55 = 230,308.54/x
  3. Step 3: Cross multiply
    250,483.62x = 345,719.55 × 230,308.54
  4. Step 4: Simplify right side
    250,483.62x = 79,622,164,809.96
  5. Step 5: Solve for x
    x = 79,622,164,809.96/250,483.62
  6. Step 6: Final answer
    x = 317,873.75

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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.