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Finding the Fourth Proportional to 328,633.16, 492,944.58 and 168,616.72

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Solution

The fourth proportional to 328,633.16, 492,944.58 and 168,616.72 is: 252,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,633.16 : 492,944.58 = 168,616.72 : x
  2. Step 2: Convert to fraction form
    328,633.16/492,944.58 = 168,616.72/x
  3. Step 3: Cross multiply
    328,633.16x = 492,944.58 × 168,616.72
  4. Step 4: Simplify right side
    328,633.16x = 83,118,698,221.38
  5. Step 5: Solve for x
    x = 83,118,698,221.38/328,633.16
  6. Step 6: Final answer
    x = 252,922.43

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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.