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Finding the Fourth Proportional to 436,198.68, 601,950.78 and 242,608.16

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Solution

The fourth proportional to 436,198.68, 601,950.78 and 242,608.16 is: 334,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,198.68 : 601,950.78 = 242,608.16 : x
  2. Step 2: Convert to fraction form
    436,198.68/601,950.78 = 242,608.16/x
  3. Step 3: Cross multiply
    436,198.68x = 601,950.78 × 242,608.16
  4. Step 4: Simplify right side
    436,198.68x = 146,038,171,146.37
  5. Step 5: Solve for x
    x = 146,038,171,146.37/436,198.68
  6. Step 6: Final answer
    x = 334,797.37

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1.5x scale

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.