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Finding the Fourth Proportional to 490,738.84, 736,108.44 and 153,805.64

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Solution

The fourth proportional to 490,738.84, 736,108.44 and 153,805.64 is: 230,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,738.84 : 736,108.44 = 153,805.64 : x
  2. Step 2: Convert to fraction form
    490,738.84/736,108.44 = 153,805.64/x
  3. Step 3: Cross multiply
    490,738.84x = 736,108.44 × 153,805.64
  4. Step 4: Simplify right side
    490,738.84x = 113,217,629,723.60
  5. Step 5: Solve for x
    x = 113,217,629,723.60/490,738.84
  6. Step 6: Final answer
    x = 230,708.52

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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.