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Finding the Fourth Proportional to 604,853.78, 834,691.64 and 332,915.85

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Solution

The fourth proportional to 604,853.78, 834,691.64 and 332,915.85 is: 459,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,853.78 : 834,691.64 = 332,915.85 : x
  2. Step 2: Convert to fraction form
    604,853.78/834,691.64 = 332,915.85/x
  3. Step 3: Cross multiply
    604,853.78x = 834,691.64 × 332,915.85
  4. Step 4: Simplify right side
    604,853.78x = 277,882,075,153.92
  5. Step 5: Solve for x
    x = 277,882,075,153.92/604,853.78
  6. Step 6: Final answer
    x = 459,420.25

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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.