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Finding the Fourth Proportional to 408,829.17, 563,864.16 and 265,635.75

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Solution

The fourth proportional to 408,829.17, 563,864.16 and 265,635.75 is: 366,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,829.17 : 563,864.16 = 265,635.75 : x
  2. Step 2: Convert to fraction form
    408,829.17/563,864.16 = 265,635.75/x
  3. Step 3: Cross multiply
    408,829.17x = 563,864.16 × 265,635.75
  4. Step 4: Simplify right side
    408,829.17x = 149,782,479,039.72
  5. Step 5: Solve for x
    x = 149,782,479,039.72/408,829.17
  6. Step 6: Final answer
    x = 366,369.35

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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.