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Finding the Fourth Proportional to 510,583.91, 704,578.10 and 281,096.33

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Solution

The fourth proportional to 510,583.91, 704,578.10 and 281,096.33 is: 387,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,583.91 : 704,578.10 = 281,096.33 : x
  2. Step 2: Convert to fraction form
    510,583.91/704,578.10 = 281,096.33/x
  3. Step 3: Cross multiply
    510,583.91x = 704,578.10 × 281,096.33
  4. Step 4: Simplify right side
    510,583.91x = 198,054,313,180.00
  5. Step 5: Solve for x
    x = 198,054,313,180.00/510,583.91
  6. Step 6: Final answer
    x = 387,897.68

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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.