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Finding the Fourth Proportional to 445,351.60, 668,027.40 and 401,028.40

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Solution

The fourth proportional to 445,351.60, 668,027.40 and 401,028.40 is: 601,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,351.60 : 668,027.40 = 401,028.40 : x
  2. Step 2: Convert to fraction form
    445,351.60/668,027.40 = 401,028.40/x
  3. Step 3: Cross multiply
    445,351.60x = 668,027.40 × 401,028.40
  4. Step 4: Simplify right side
    445,351.60x = 267,897,959,378.16
  5. Step 5: Solve for x
    x = 267,897,959,378.16/445,351.60
  6. Step 6: Final answer
    x = 601,542.60

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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.