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Finding the Fourth Proportional to 575.67, 795.24 and 458.40

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Solution

The fourth proportional to 575.67, 795.24 and 458.40 is: 633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.67 : 795.24 = 458.40 : x
  2. Step 2: Convert to fraction form
    575.67/795.24 = 458.40/x
  3. Step 3: Cross multiply
    575.67x = 795.24 × 458.40
  4. Step 4: Simplify right side
    575.67x = 364,538.02
  5. Step 5: Solve for x
    x = 364,538.02/575.67
  6. Step 6: Final answer
    x = 633.24

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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.