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Finding the Fourth Proportional to 575.37, 858.87 and 502.47

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Solution

The fourth proportional to 575.37, 858.87 and 502.47 is: 750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.37 : 858.87 = 502.47 : x
  2. Step 2: Convert to fraction form
    575.37/858.87 = 502.47/x
  3. Step 3: Cross multiply
    575.37x = 858.87 × 502.47
  4. Step 4: Simplify right side
    575.37x = 431,556.41
  5. Step 5: Solve for x
    x = 431,556.41/575.37
  6. Step 6: Final answer
    x = 750.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.