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Finding the Fourth Proportional to 552,567.77, 762,535.91 and 310,850.27

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Solution

The fourth proportional to 552,567.77, 762,535.91 and 310,850.27 is: 428,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,567.77 : 762,535.91 = 310,850.27 : x
  2. Step 2: Convert to fraction form
    552,567.77/762,535.91 = 310,850.27/x
  3. Step 3: Cross multiply
    552,567.77x = 762,535.91 × 310,850.27
  4. Step 4: Simplify right side
    552,567.77x = 237,034,490,472.64
  5. Step 5: Solve for x
    x = 237,034,490,472.64/552,567.77
  6. Step 6: Final answer
    x = 428,969.09

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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.