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Finding the Fourth Proportional to 245,338.20, 368,007.30 and 229,786.20

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Solution

The fourth proportional to 245,338.20, 368,007.30 and 229,786.20 is: 344,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,338.20 : 368,007.30 = 229,786.20 : x
  2. Step 2: Convert to fraction form
    245,338.20/368,007.30 = 229,786.20/x
  3. Step 3: Cross multiply
    245,338.20x = 368,007.30 × 229,786.20
  4. Step 4: Simplify right side
    245,338.20x = 84,562,999,039.26
  5. Step 5: Solve for x
    x = 84,562,999,039.26/245,338.20
  6. Step 6: Final answer
    x = 344,679.30

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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.