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Finding the Fourth Proportional to 476,165.28, 657,127.02 and 261,313.02

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Solution

The fourth proportional to 476,165.28, 657,127.02 and 261,313.02 is: 360,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,165.28 : 657,127.02 = 261,313.02 : x
  2. Step 2: Convert to fraction form
    476,165.28/657,127.02 = 261,313.02/x
  3. Step 3: Cross multiply
    476,165.28x = 657,127.02 × 261,313.02
  4. Step 4: Simplify right side
    476,165.28x = 171,715,846,119.80
  5. Step 5: Solve for x
    x = 171,715,846,119.80/476,165.28
  6. Step 6: Final answer
    x = 360,622.36

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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.