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Finding the Fourth Proportional to 294,667.20, 441,344.70 and 255,301.20

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Solution

The fourth proportional to 294,667.20, 441,344.70 and 255,301.20 is: 382,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,667.20 : 441,344.70 = 255,301.20 : x
  2. Step 2: Convert to fraction form
    294,667.20/441,344.70 = 255,301.20/x
  3. Step 3: Cross multiply
    294,667.20x = 441,344.70 × 255,301.20
  4. Step 4: Simplify right side
    294,667.20x = 112,675,831,523.64
  5. Step 5: Solve for x
    x = 112,675,831,523.64/294,667.20
  6. Step 6: Final answer
    x = 382,383.35

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1.5x scale

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.