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Finding the Fourth Proportional to 575.02, 793.50 and 322.93

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Solution

The fourth proportional to 575.02, 793.50 and 322.93 is: 445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.02 : 793.50 = 322.93 : x
  2. Step 2: Convert to fraction form
    575.02/793.50 = 322.93/x
  3. Step 3: Cross multiply
    575.02x = 793.50 × 322.93
  4. Step 4: Simplify right side
    575.02x = 256,245.23
  5. Step 5: Solve for x
    x = 256,245.23/575.02
  6. Step 6: Final answer
    x = 445.63

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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.