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Finding the Fourth Proportional to 450,399.49, 621,546.01 and 246,448.07

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Solution

The fourth proportional to 450,399.49, 621,546.01 and 246,448.07 is: 340,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,399.49 : 621,546.01 = 246,448.07 : x
  2. Step 2: Convert to fraction form
    450,399.49/621,546.01 = 246,448.07/x
  3. Step 3: Cross multiply
    450,399.49x = 621,546.01 × 246,448.07
  4. Step 4: Simplify right side
    450,399.49x = 153,178,813,187.65
  5. Step 5: Solve for x
    x = 153,178,813,187.65/450,399.49
  6. Step 6: Final answer
    x = 340,095.44

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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.