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Finding the Fourth Proportional to 357,358.44, 536,037.26 and 278,531.67

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Solution

The fourth proportional to 357,358.44, 536,037.26 and 278,531.67 is: 417,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,358.44 : 536,037.26 = 278,531.67 : x
  2. Step 2: Convert to fraction form
    357,358.44/536,037.26 = 278,531.67/x
  3. Step 3: Cross multiply
    357,358.44x = 536,037.26 × 278,531.67
  4. Step 4: Simplify right side
    357,358.44x = 149,303,351,817.37
  5. Step 5: Solve for x
    x = 149,303,351,817.37/357,358.44
  6. Step 6: Final answer
    x = 417,797.19

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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.