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Finding the Fourth Proportional to 294,512.05, 441,768.08 and 144,775.45

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Solution

The fourth proportional to 294,512.05, 441,768.08 and 144,775.45 is: 217,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,512.05 : 441,768.08 = 144,775.45 : x
  2. Step 2: Convert to fraction form
    294,512.05/441,768.08 = 144,775.45/x
  3. Step 3: Cross multiply
    294,512.05x = 441,768.08 × 144,775.45
  4. Step 4: Simplify right side
    294,512.05x = 63,957,171,853.76
  5. Step 5: Solve for x
    x = 63,957,171,853.76/294,512.05
  6. Step 6: Final answer
    x = 217,163.18

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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.