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Finding the Fourth Proportional to 573.01, 790.70 and 336.96

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Solution

The fourth proportional to 573.01, 790.70 and 336.96 is: 464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.01 : 790.70 = 336.96 : x
  2. Step 2: Convert to fraction form
    573.01/790.70 = 336.96/x
  3. Step 3: Cross multiply
    573.01x = 790.70 × 336.96
  4. Step 4: Simplify right side
    573.01x = 266,434.84
  5. Step 5: Solve for x
    x = 266,434.84/573.01
  6. Step 6: Final answer
    x = 464.98

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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.