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Finding the Fourth Proportional to 322,888.34, 445,578.96 and 186,928.04

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Solution

The fourth proportional to 322,888.34, 445,578.96 and 186,928.04 is: 257,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,888.34 : 445,578.96 = 186,928.04 : x
  2. Step 2: Convert to fraction form
    322,888.34/445,578.96 = 186,928.04/x
  3. Step 3: Cross multiply
    322,888.34x = 445,578.96 × 186,928.04
  4. Step 4: Simplify right side
    322,888.34x = 83,291,201,658.04
  5. Step 5: Solve for x
    x = 83,291,201,658.04/322,888.34
  6. Step 6: Final answer
    x = 257,956.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.