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Finding the Fourth Proportional to 445,606.15, 668,114.03 and 246,022.15

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Solution

The fourth proportional to 445,606.15, 668,114.03 and 246,022.15 is: 368,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,606.15 : 668,114.03 = 246,022.15 : x
  2. Step 2: Convert to fraction form
    445,606.15/668,114.03 = 246,022.15/x
  3. Step 3: Cross multiply
    445,606.15x = 668,114.03 × 246,022.15
  4. Step 4: Simplify right side
    445,606.15x = 164,370,848,875.65
  5. Step 5: Solve for x
    x = 164,370,848,875.65/445,606.15
  6. Step 6: Final answer
    x = 368,870.24

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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.