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Finding the Fourth Proportional to 594,638.80, 889,625.40 and 538,651.60

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Solution

The fourth proportional to 594,638.80, 889,625.40 and 538,651.60 is: 805,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,638.80 : 889,625.40 = 538,651.60 : x
  2. Step 2: Convert to fraction form
    594,638.80/889,625.40 = 538,651.60/x
  3. Step 3: Cross multiply
    594,638.80x = 889,625.40 × 538,651.60
  4. Step 4: Simplify right side
    594,638.80x = 479,198,145,110.64
  5. Step 5: Solve for x
    x = 479,198,145,110.64/594,638.80
  6. Step 6: Final answer
    x = 805,864.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.