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Finding the Fourth Proportional to 436,734.72, 603,022.41 and 429,759.51

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Solution

The fourth proportional to 436,734.72, 603,022.41 and 429,759.51 is: 593,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,734.72 : 603,022.41 = 429,759.51 : x
  2. Step 2: Convert to fraction form
    436,734.72/603,022.41 = 429,759.51/x
  3. Step 3: Cross multiply
    436,734.72x = 603,022.41 × 429,759.51
  4. Step 4: Simplify right side
    436,734.72x = 259,154,615,440.62
  5. Step 5: Solve for x
    x = 259,154,615,440.62/436,734.72
  6. Step 6: Final answer
    x = 593,391.37

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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.