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Finding the Fourth Proportional to 294,524.50, 441,786.75 and 72,908.50

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Solution

The fourth proportional to 294,524.50, 441,786.75 and 72,908.50 is: 109,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,524.50 : 441,786.75 = 72,908.50 : x
  2. Step 2: Convert to fraction form
    294,524.50/441,786.75 = 72,908.50/x
  3. Step 3: Cross multiply
    294,524.50x = 441,786.75 × 72,908.50
  4. Step 4: Simplify right side
    294,524.50x = 32,210,009,262.38
  5. Step 5: Solve for x
    x = 32,210,009,262.38/294,524.50
  6. Step 6: Final answer
    x = 109,362.75

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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.