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Finding the Fourth Proportional to 608,573.44, 839,548.56 and 393,782.77

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Solution

The fourth proportional to 608,573.44, 839,548.56 and 393,782.77 is: 543,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,573.44 : 839,548.56 = 393,782.77 : x
  2. Step 2: Convert to fraction form
    608,573.44/839,548.56 = 393,782.77/x
  3. Step 3: Cross multiply
    608,573.44x = 839,548.56 × 393,782.77
  4. Step 4: Simplify right side
    608,573.44x = 330,599,757,506.31
  5. Step 5: Solve for x
    x = 330,599,757,506.31/608,573.44
  6. Step 6: Final answer
    x = 543,237.24

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1.5x scale

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.