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Finding the Fourth Proportional to 445,585.60, 668,232.60 and 165,066.40

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Solution

The fourth proportional to 445,585.60, 668,232.60 and 165,066.40 is: 247,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,585.60 : 668,232.60 = 165,066.40 : x
  2. Step 2: Convert to fraction form
    445,585.60/668,232.60 = 165,066.40/x
  3. Step 3: Cross multiply
    445,585.60x = 668,232.60 × 165,066.40
  4. Step 4: Simplify right side
    445,585.60x = 110,302,749,644.64
  5. Step 5: Solve for x
    x = 110,302,749,644.64/445,585.60
  6. Step 6: Final answer
    x = 247,545.59

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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.