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Finding the Fourth Proportional to 510,594.26, 704,625.32 and 281,172.90

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Solution

The fourth proportional to 510,594.26, 704,625.32 and 281,172.90 is: 388,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,594.26 : 704,625.32 = 281,172.90 : x
  2. Step 2: Convert to fraction form
    510,594.26/704,625.32 = 281,172.90/x
  3. Step 3: Cross multiply
    510,594.26x = 704,625.32 × 281,172.90
  4. Step 4: Simplify right side
    510,594.26x = 198,121,544,637.83
  5. Step 5: Solve for x
    x = 198,121,544,637.83/510,594.26
  6. Step 6: Final answer
    x = 388,021.49

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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.