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Finding the Fourth Proportional to 300,422.01, 450,647.58 and 98,017.73

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Solution

The fourth proportional to 300,422.01, 450,647.58 and 98,017.73 is: 147,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,422.01 : 450,647.58 = 98,017.73 : x
  2. Step 2: Convert to fraction form
    300,422.01/450,647.58 = 98,017.73/x
  3. Step 3: Cross multiply
    300,422.01x = 450,647.58 × 98,017.73
  4. Step 4: Simplify right side
    300,422.01x = 44,171,450,568.36
  5. Step 5: Solve for x
    x = 44,171,450,568.36/300,422.01
  6. Step 6: Final answer
    x = 147,031.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.