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Finding the Fourth Proportional to 510,647.62, 704,586.90 and 295,774.88

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Solution

The fourth proportional to 510,647.62, 704,586.90 and 295,774.88 is: 408,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,647.62 : 704,586.90 = 295,774.88 : x
  2. Step 2: Convert to fraction form
    510,647.62/704,586.90 = 295,774.88/x
  3. Step 3: Cross multiply
    510,647.62x = 704,586.90 × 295,774.88
  4. Step 4: Simplify right side
    510,647.62x = 208,399,105,797.07
  5. Step 5: Solve for x
    x = 208,399,105,797.07/510,647.62
  6. Step 6: Final answer
    x = 408,107.47

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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.