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Finding the Fourth Proportional to 510,594.45, 704,625.55 and 281,173.07

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Solution

The fourth proportional to 510,594.45, 704,625.55 and 281,173.07 is: 388,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,594.45 : 704,625.55 = 281,173.07 : x
  2. Step 2: Convert to fraction form
    510,594.45/704,625.55 = 281,173.07/x
  3. Step 3: Cross multiply
    510,594.45x = 704,625.55 × 281,173.07
  4. Step 4: Simplify right side
    510,594.45x = 198,121,729,091.82
  5. Step 5: Solve for x
    x = 198,121,729,091.82/510,594.45
  6. Step 6: Final answer
    x = 388,021.71

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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.