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Finding the Fourth Proportional to 672,271.13, 927,722.59 and 366,350.15

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Solution

The fourth proportional to 672,271.13, 927,722.59 and 366,350.15 is: 505,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,271.13 : 927,722.59 = 366,350.15 : x
  2. Step 2: Convert to fraction form
    672,271.13/927,722.59 = 366,350.15/x
  3. Step 3: Cross multiply
    672,271.13x = 927,722.59 × 366,350.15
  4. Step 4: Simplify right side
    672,271.13x = 339,871,311,408.32
  5. Step 5: Solve for x
    x = 339,871,311,408.32/672,271.13
  6. Step 6: Final answer
    x = 505,556.90

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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.