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Finding the Fourth Proportional to 594,318.88, 819,960.60 and 339,489.64

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Solution

The fourth proportional to 594,318.88, 819,960.60 and 339,489.64 is: 468,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,318.88 : 819,960.60 = 339,489.64 : x
  2. Step 2: Convert to fraction form
    594,318.88/819,960.60 = 339,489.64/x
  3. Step 3: Cross multiply
    594,318.88x = 819,960.60 × 339,489.64
  4. Step 4: Simplify right side
    594,318.88x = 278,368,128,908.18
  5. Step 5: Solve for x
    x = 278,368,128,908.18/594,318.88
  6. Step 6: Final answer
    x = 468,381.77

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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.