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Finding the Fourth Proportional to 354,626.70, 531,846.45 and 177,002.70

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Solution

The fourth proportional to 354,626.70, 531,846.45 and 177,002.70 is: 265,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,626.70 : 531,846.45 = 177,002.70 : x
  2. Step 2: Convert to fraction form
    354,626.70/531,846.45 = 177,002.70/x
  3. Step 3: Cross multiply
    354,626.70x = 531,846.45 × 177,002.70
  4. Step 4: Simplify right side
    354,626.70x = 94,138,257,635.42
  5. Step 5: Solve for x
    x = 94,138,257,635.42/354,626.70
  6. Step 6: Final answer
    x = 265,457.33

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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.