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Finding the Fourth Proportional to 301,087.01, 451,630.71 and 76,464.29

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Solution

The fourth proportional to 301,087.01, 451,630.71 and 76,464.29 is: 114,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,087.01 : 451,630.71 = 76,464.29 : x
  2. Step 2: Convert to fraction form
    301,087.01/451,630.71 = 76,464.29/x
  3. Step 3: Cross multiply
    301,087.01x = 451,630.71 × 76,464.29
  4. Step 4: Simplify right side
    301,087.01x = 34,533,619,324.19
  5. Step 5: Solve for x
    x = 34,533,619,324.19/301,087.01
  6. Step 6: Final answer
    x = 114,696.48

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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.