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Finding the Fourth Proportional to 328,223.53, 492,138.44 and 150,507.91

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Solution

The fourth proportional to 328,223.53, 492,138.44 and 150,507.91 is: 225,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,223.53 : 492,138.44 = 150,507.91 : x
  2. Step 2: Convert to fraction form
    328,223.53/492,138.44 = 150,507.91/x
  3. Step 3: Cross multiply
    328,223.53x = 492,138.44 × 150,507.91
  4. Step 4: Simplify right side
    328,223.53x = 74,070,728,035.06
  5. Step 5: Solve for x
    x = 74,070,728,035.06/328,223.53
  6. Step 6: Final answer
    x = 225,671.60

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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.