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Finding the Fourth Proportional to 294,561.40, 440,675.70 and 255,551.80

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Solution

The fourth proportional to 294,561.40, 440,675.70 and 255,551.80 is: 382,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,561.40 : 440,675.70 = 255,551.80 : x
  2. Step 2: Convert to fraction form
    294,561.40/440,675.70 = 255,551.80/x
  3. Step 3: Cross multiply
    294,561.40x = 440,675.70 × 255,551.80
  4. Step 4: Simplify right side
    294,561.40x = 112,615,468,351.26
  5. Step 5: Solve for x
    x = 112,615,468,351.26/294,561.40
  6. Step 6: Final answer
    x = 382,315.77

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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.