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Finding the Fourth Proportional to 446,017.72, 616,015.29 and 293,736.64

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Solution

The fourth proportional to 446,017.72, 616,015.29 and 293,736.64 is: 405,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,017.72 : 616,015.29 = 293,736.64 : x
  2. Step 2: Convert to fraction form
    446,017.72/616,015.29 = 293,736.64/x
  3. Step 3: Cross multiply
    446,017.72x = 616,015.29 × 293,736.64
  4. Step 4: Simplify right side
    446,017.72x = 180,946,261,473.23
  5. Step 5: Solve for x
    x = 180,946,261,473.23/446,017.72
  6. Step 6: Final answer
    x = 405,692.99

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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.