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Finding the Fourth Proportional to 447,995.16, 618,233.40 and 246,791.16

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Solution

The fourth proportional to 447,995.16, 618,233.40 and 246,791.16 is: 340,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,995.16 : 618,233.40 = 246,791.16 : x
  2. Step 2: Convert to fraction form
    447,995.16/618,233.40 = 246,791.16/x
  3. Step 3: Cross multiply
    447,995.16x = 618,233.40 × 246,791.16
  4. Step 4: Simplify right side
    447,995.16x = 152,574,537,936.74
  5. Step 5: Solve for x
    x = 152,574,537,936.74/447,995.16
  6. Step 6: Final answer
    x = 340,571.84

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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.