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Finding the Fourth Proportional to 605,888.20, 908,832.30 and 185,163.40

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Solution

The fourth proportional to 605,888.20, 908,832.30 and 185,163.40 is: 277,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,888.20 : 908,832.30 = 185,163.40 : x
  2. Step 2: Convert to fraction form
    605,888.20/908,832.30 = 185,163.40/x
  3. Step 3: Cross multiply
    605,888.20x = 908,832.30 × 185,163.40
  4. Step 4: Simplify right side
    605,888.20x = 168,282,478,697.82
  5. Step 5: Solve for x
    x = 168,282,478,697.82/605,888.20
  6. Step 6: Final answer
    x = 277,745.10

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1.5x scale

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.