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Finding the Fourth Proportional to 575.52, 792.36 and 458.88

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Solution

The fourth proportional to 575.52, 792.36 and 458.88 is: 631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.52 : 792.36 = 458.88 : x
  2. Step 2: Convert to fraction form
    575.52/792.36 = 458.88/x
  3. Step 3: Cross multiply
    575.52x = 792.36 × 458.88
  4. Step 4: Simplify right side
    575.52x = 363,598.16
  5. Step 5: Solve for x
    x = 363,598.16/575.52
  6. Step 6: Final answer
    x = 631.77

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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.