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Finding the Fourth Proportional to 446,745.16, 616,513.09 and 242,796.09

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Solution

The fourth proportional to 446,745.16, 616,513.09 and 242,796.09 is: 335,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,745.16 : 616,513.09 = 242,796.09 : x
  2. Step 2: Convert to fraction form
    446,745.16/616,513.09 = 242,796.09/x
  3. Step 3: Cross multiply
    446,745.16x = 616,513.09 × 242,796.09
  4. Step 4: Simplify right side
    446,745.16x = 149,686,967,685.82
  5. Step 5: Solve for x
    x = 149,686,967,685.82/446,745.16
  6. Step 6: Final answer
    x = 335,061.20

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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.