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Finding the Fourth Proportional to 445,352.60, 668,028.90 and 401,029.40

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Solution

The fourth proportional to 445,352.60, 668,028.90 and 401,029.40 is: 601,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,352.60 : 668,028.90 = 401,029.40 : x
  2. Step 2: Convert to fraction form
    445,352.60/668,028.90 = 401,029.40/x
  3. Step 3: Cross multiply
    445,352.60x = 668,028.90 × 401,029.40
  4. Step 4: Simplify right side
    445,352.60x = 267,899,228,949.66
  5. Step 5: Solve for x
    x = 267,899,228,949.66/445,352.60
  6. Step 6: Final answer
    x = 601,544.10

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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.