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Finding the Fourth Proportional to 552,003.45, 774,576.30 and 552,003.45

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Solution

The fourth proportional to 552,003.45, 774,576.30 and 552,003.45 is: 774,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,003.45 : 774,576.30 = 552,003.45 : x
  2. Step 2: Convert to fraction form
    552,003.45/774,576.30 = 552,003.45/x
  3. Step 3: Cross multiply
    552,003.45x = 774,576.30 × 552,003.45
  4. Step 4: Simplify right side
    552,003.45x = 427,568,789,888.24
  5. Step 5: Solve for x
    x = 427,568,789,888.24/552,003.45
  6. Step 6: Final answer
    x = 774,576.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.