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Finding the Fourth Proportional to 565,621.34, 780,469.70 and 336,093.26

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Solution

The fourth proportional to 565,621.34, 780,469.70 and 336,093.26 is: 463,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,621.34 : 780,469.70 = 336,093.26 : x
  2. Step 2: Convert to fraction form
    565,621.34/780,469.70 = 336,093.26/x
  3. Step 3: Cross multiply
    565,621.34x = 780,469.70 × 336,093.26
  4. Step 4: Simplify right side
    565,621.34x = 262,310,605,804.22
  5. Step 5: Solve for x
    x = 262,310,605,804.22/565,621.34
  6. Step 6: Final answer
    x = 463,756.56

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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.