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Finding the Fourth Proportional to 277,483.56, 415,975.56 and 99,865.68

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Solution

The fourth proportional to 277,483.56, 415,975.56 and 99,865.68 is: 149,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,483.56 : 415,975.56 = 99,865.68 : x
  2. Step 2: Convert to fraction form
    277,483.56/415,975.56 = 99,865.68/x
  3. Step 3: Cross multiply
    277,483.56x = 415,975.56 × 99,865.68
  4. Step 4: Simplify right side
    277,483.56x = 41,541,682,162.78
  5. Step 5: Solve for x
    x = 41,541,682,162.78/277,483.56
  6. Step 6: Final answer
    x = 149,708.62

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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.