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Finding the Fourth Proportional to 299,212.05, 448,443.86 and 149,494.26

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Solution

The fourth proportional to 299,212.05, 448,443.86 and 149,494.26 is: 224,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,212.05 : 448,443.86 = 149,494.26 : x
  2. Step 2: Convert to fraction form
    299,212.05/448,443.86 = 149,494.26/x
  3. Step 3: Cross multiply
    299,212.05x = 448,443.86 × 149,494.26
  4. Step 4: Simplify right side
    299,212.05x = 67,039,782,254.77
  5. Step 5: Solve for x
    x = 67,039,782,254.77/299,212.05
  6. Step 6: Final answer
    x = 224,054.42

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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.