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Finding the Fourth Proportional to 594,731.88, 820,530 and 339,902.64

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Solution

The fourth proportional to 594,731.88, 820,530 and 339,902.64 is: 468,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,731.88 : 820,530 = 339,902.64 : x
  2. Step 2: Convert to fraction form
    594,731.88/820,530 = 339,902.64/x
  3. Step 3: Cross multiply
    594,731.88x = 820,530 × 339,902.64
  4. Step 4: Simplify right side
    594,731.88x = 278,900,313,199.20
  5. Step 5: Solve for x
    x = 278,900,313,199.20/594,731.88
  6. Step 6: Final answer
    x = 468,951.34

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1.5x scale

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.