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Finding the Fourth Proportional to 594,569.80, 891,990.94 and 257,667

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Solution

The fourth proportional to 594,569.80, 891,990.94 and 257,667 is: 386,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,569.80 : 891,990.94 = 257,667 : x
  2. Step 2: Convert to fraction form
    594,569.80/891,990.94 = 257,667/x
  3. Step 3: Cross multiply
    594,569.80x = 891,990.94 × 257,667
  4. Step 4: Simplify right side
    594,569.80x = 229,836,629,536.98
  5. Step 5: Solve for x
    x = 229,836,629,536.98/594,569.80
  6. Step 6: Final answer
    x = 386,559.54

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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.