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Finding the Fourth Proportional to 445,350.60, 668,025.90 and 401,027.40

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Solution

The fourth proportional to 445,350.60, 668,025.90 and 401,027.40 is: 601,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,350.60 : 668,025.90 = 401,027.40 : x
  2. Step 2: Convert to fraction form
    445,350.60/668,025.90 = 401,027.40/x
  3. Step 3: Cross multiply
    445,350.60x = 668,025.90 × 401,027.40
  4. Step 4: Simplify right side
    445,350.60x = 267,896,689,809.66
  5. Step 5: Solve for x
    x = 267,896,689,809.66/445,350.60
  6. Step 6: Final answer
    x = 601,541.10

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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.