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Finding the Fourth Proportional to 604,859.76, 834,699.85 and 332,921.79

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Solution

The fourth proportional to 604,859.76, 834,699.85 and 332,921.79 is: 459,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,859.76 : 834,699.85 = 332,921.79 : x
  2. Step 2: Convert to fraction form
    604,859.76/834,699.85 = 332,921.79/x
  3. Step 3: Cross multiply
    604,859.76x = 834,699.85 × 332,921.79
  4. Step 4: Simplify right side
    604,859.76x = 277,889,767,342.43
  5. Step 5: Solve for x
    x = 277,889,767,342.43/604,859.76
  6. Step 6: Final answer
    x = 459,428.43

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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.