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Finding the Fourth Proportional to 693,995.34, 957,663.29 and 383,884.82

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Solution

The fourth proportional to 693,995.34, 957,663.29 and 383,884.82 is: 529,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,995.34 : 957,663.29 = 383,884.82 : x
  2. Step 2: Convert to fraction form
    693,995.34/957,663.29 = 383,884.82/x
  3. Step 3: Cross multiply
    693,995.34x = 957,663.29 × 383,884.82
  4. Step 4: Simplify right side
    693,995.34x = 367,632,392,994.52
  5. Step 5: Solve for x
    x = 367,632,392,994.52/693,995.34
  6. Step 6: Final answer
    x = 529,733.23

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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.