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Finding the Fourth Proportional to 1,246,663, 1,870,305.54 and 360,199

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Solution

The fourth proportional to 1,246,663, 1,870,305.54 and 360,199 is: 540,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,663 : 1,870,305.54 = 360,199 : x
  2. Step 2: Convert to fraction form
    1,246,663/1,870,305.54 = 360,199/x
  3. Step 3: Cross multiply
    1,246,663x = 1,870,305.54 × 360,199
  4. Step 4: Simplify right side
    1,246,663x = 673,682,185,202.46
  5. Step 5: Solve for x
    x = 673,682,185,202.46/1,246,663
  6. Step 6: Final answer
    x = 540,388.37

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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.