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Finding the Fourth Proportional to 445,052.62, 614,139.48 and 251,400.22

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Solution

The fourth proportional to 445,052.62, 614,139.48 and 251,400.22 is: 346,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,052.62 : 614,139.48 = 251,400.22 : x
  2. Step 2: Convert to fraction form
    445,052.62/614,139.48 = 251,400.22/x
  3. Step 3: Cross multiply
    445,052.62x = 614,139.48 × 251,400.22
  4. Step 4: Simplify right side
    445,052.62x = 154,394,800,382.69
  5. Step 5: Solve for x
    x = 154,394,800,382.69/445,052.62
  6. Step 6: Final answer
    x = 346,913.59

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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.