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Finding the Fourth Proportional to 291,704.10, 437,556.15 and 245,048.10

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Solution

The fourth proportional to 291,704.10, 437,556.15 and 245,048.10 is: 367,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,704.10 : 437,556.15 = 245,048.10 : x
  2. Step 2: Convert to fraction form
    291,704.10/437,556.15 = 245,048.10/x
  3. Step 3: Cross multiply
    291,704.10x = 437,556.15 × 245,048.10
  4. Step 4: Simplify right side
    291,704.10x = 107,222,303,200.82
  5. Step 5: Solve for x
    x = 107,222,303,200.82/291,704.10
  6. Step 6: Final answer
    x = 367,572.15

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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.