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Finding the Fourth Proportional to 350,452.23, 483,623.71 and 189,307.23

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Solution

The fourth proportional to 350,452.23, 483,623.71 and 189,307.23 is: 261,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,452.23 : 483,623.71 = 189,307.23 : x
  2. Step 2: Convert to fraction form
    350,452.23/483,623.71 = 189,307.23/x
  3. Step 3: Cross multiply
    350,452.23x = 483,623.71 × 189,307.23
  4. Step 4: Simplify right side
    350,452.23x = 91,553,464,902.42
  5. Step 5: Solve for x
    x = 91,553,464,902.42/350,452.23
  6. Step 6: Final answer
    x = 261,243.78

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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.