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Finding the Fourth Proportional to 594,719.64, 820,713.86 and 322,787.44

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Solution

The fourth proportional to 594,719.64, 820,713.86 and 322,787.44 is: 445,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,719.64 : 820,713.86 = 322,787.44 : x
  2. Step 2: Convert to fraction form
    594,719.64/820,713.86 = 322,787.44/x
  3. Step 3: Cross multiply
    594,719.64x = 820,713.86 × 322,787.44
  4. Step 4: Simplify right side
    594,719.64x = 264,916,125,841.92
  5. Step 5: Solve for x
    x = 264,916,125,841.92/594,719.64
  6. Step 6: Final answer
    x = 445,447.08

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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.