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Finding the Fourth Proportional to 299,989.03, 414,010.41 and 170,966.97

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Solution

The fourth proportional to 299,989.03, 414,010.41 and 170,966.97 is: 235,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,989.03 : 414,010.41 = 170,966.97 : x
  2. Step 2: Convert to fraction form
    299,989.03/414,010.41 = 170,966.97/x
  3. Step 3: Cross multiply
    299,989.03x = 414,010.41 × 170,966.97
  4. Step 4: Simplify right side
    299,989.03x = 70,782,105,346.16
  5. Step 5: Solve for x
    x = 70,782,105,346.16/299,989.03
  6. Step 6: Final answer
    x = 235,948.98

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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.