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Finding the Fourth Proportional to 322,305.12, 483,384.78 and 122,554.26

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Solution

The fourth proportional to 322,305.12, 483,384.78 and 122,554.26 is: 183,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,305.12 : 483,384.78 = 122,554.26 : x
  2. Step 2: Convert to fraction form
    322,305.12/483,384.78 = 122,554.26/x
  3. Step 3: Cross multiply
    322,305.12x = 483,384.78 × 122,554.26
  4. Step 4: Simplify right side
    322,305.12x = 59,240,864,008.16
  5. Step 5: Solve for x
    x = 59,240,864,008.16/322,305.12
  6. Step 6: Final answer
    x = 183,803.67

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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.