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Finding the Fourth Proportional to 1,246,647, 1,870,281.54 and 360,183

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Solution

The fourth proportional to 1,246,647, 1,870,281.54 and 360,183 is: 540,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,647 : 1,870,281.54 = 360,183 : x
  2. Step 2: Convert to fraction form
    1,246,647/1,870,281.54 = 360,183/x
  3. Step 3: Cross multiply
    1,246,647x = 1,870,281.54 × 360,183
  4. Step 4: Simplify right side
    1,246,647x = 673,643,615,921.82
  5. Step 5: Solve for x
    x = 673,643,615,921.82/1,246,647
  6. Step 6: Final answer
    x = 540,364.37

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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.