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Finding the Fourth Proportional to 301,280.62, 451,918.96 and 76,639.14

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Solution

The fourth proportional to 301,280.62, 451,918.96 and 76,639.14 is: 114,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,280.62 : 451,918.96 = 76,639.14 : x
  2. Step 2: Convert to fraction form
    301,280.62/451,918.96 = 76,639.14/x
  3. Step 3: Cross multiply
    301,280.62x = 451,918.96 × 76,639.14
  4. Step 4: Simplify right side
    301,280.62x = 34,634,680,444.09
  5. Step 5: Solve for x
    x = 34,634,680,444.09/301,280.62
  6. Step 6: Final answer
    x = 114,958.21

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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.