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Finding the Fourth Proportional to 365,493.12, 504,487.32 and 212,567.04

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Solution

The fourth proportional to 365,493.12, 504,487.32 and 212,567.04 is: 293,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,493.12 : 504,487.32 = 212,567.04 : x
  2. Step 2: Convert to fraction form
    365,493.12/504,487.32 = 212,567.04/x
  3. Step 3: Cross multiply
    365,493.12x = 504,487.32 × 212,567.04
  4. Step 4: Simplify right side
    365,493.12x = 107,237,376,329.93
  5. Step 5: Solve for x
    x = 107,237,376,329.93/365,493.12
  6. Step 6: Final answer
    x = 293,404.64

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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.