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Finding the Fourth Proportional to 565,620.37, 780,807.72 and 336,251.91

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Solution

The fourth proportional to 565,620.37, 780,807.72 and 336,251.91 is: 464,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,620.37 : 780,807.72 = 336,251.91 : x
  2. Step 2: Convert to fraction form
    565,620.37/780,807.72 = 336,251.91/x
  3. Step 3: Cross multiply
    565,620.37x = 780,807.72 × 336,251.91
  4. Step 4: Simplify right side
    565,620.37x = 262,548,085,098.26
  5. Step 5: Solve for x
    x = 262,548,085,098.26/565,620.37
  6. Step 6: Final answer
    x = 464,177.21

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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.