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Finding the Fourth Proportional to 487,697.07, 673,011.23 and 266,933.26

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Solution

The fourth proportional to 487,697.07, 673,011.23 and 266,933.26 is: 368,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,697.07 : 673,011.23 = 266,933.26 : x
  2. Step 2: Convert to fraction form
    487,697.07/673,011.23 = 266,933.26/x
  3. Step 3: Cross multiply
    487,697.07x = 673,011.23 × 266,933.26
  4. Step 4: Simplify right side
    487,697.07x = 179,649,082,546.78
  5. Step 5: Solve for x
    x = 179,649,082,546.78/487,697.07
  6. Step 6: Final answer
    x = 368,362.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.