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Finding the Fourth Proportional to 396,571.51, 594,135.56 and 354,056.23

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Solution

The fourth proportional to 396,571.51, 594,135.56 and 354,056.23 is: 530,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,571.51 : 594,135.56 = 354,056.23 : x
  2. Step 2: Convert to fraction form
    396,571.51/594,135.56 = 354,056.23/x
  3. Step 3: Cross multiply
    396,571.51x = 594,135.56 × 354,056.23
  4. Step 4: Simplify right side
    396,571.51x = 210,357,399,283.46
  5. Step 5: Solve for x
    x = 210,357,399,283.46/396,571.51
  6. Step 6: Final answer
    x = 530,440.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.