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Finding the Fourth Proportional to 450,015.70, 675,023.55 and 401,026.90

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Solution

The fourth proportional to 450,015.70, 675,023.55 and 401,026.90 is: 601,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,015.70 : 675,023.55 = 401,026.90 : x
  2. Step 2: Convert to fraction form
    450,015.70/675,023.55 = 401,026.90/x
  3. Step 3: Cross multiply
    450,015.70x = 675,023.55 × 401,026.90
  4. Step 4: Simplify right side
    450,015.70x = 270,702,601,683.50
  5. Step 5: Solve for x
    x = 270,702,601,683.50/450,015.70
  6. Step 6: Final answer
    x = 601,540.35

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Similar ratio
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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.