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Finding the Fourth Proportional to 409,855.15, 565,598.99 and 228,567.27

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Solution

The fourth proportional to 409,855.15, 565,598.99 and 228,567.27 is: 315,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,855.15 : 565,598.99 = 228,567.27 : x
  2. Step 2: Convert to fraction form
    409,855.15/565,598.99 = 228,567.27/x
  3. Step 3: Cross multiply
    409,855.15x = 565,598.99 × 228,567.27
  4. Step 4: Simplify right side
    409,855.15x = 129,277,415,916.22
  5. Step 5: Solve for x
    x = 129,277,415,916.22/409,855.15
  6. Step 6: Final answer
    x = 315,422.21

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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.