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Finding the Fourth Proportional to 594,339.84, 819,486.72 and 486,512.64

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Solution

The fourth proportional to 594,339.84, 819,486.72 and 486,512.64 is: 670,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,339.84 : 819,486.72 = 486,512.64 : x
  2. Step 2: Convert to fraction form
    594,339.84/819,486.72 = 486,512.64/x
  3. Step 3: Cross multiply
    594,339.84x = 819,486.72 × 486,512.64
  4. Step 4: Simplify right side
    594,339.84x = 398,690,647,592.14
  5. Step 5: Solve for x
    x = 398,690,647,592.14/594,339.84
  6. Step 6: Final answer
    x = 670,812.59

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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.