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Finding the Fourth Proportional to 954.88, 1,432.53 and 305.61

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Solution

The fourth proportional to 954.88, 1,432.53 and 305.61 is: 458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.88 : 1,432.53 = 305.61 : x
  2. Step 2: Convert to fraction form
    954.88/1,432.53 = 305.61/x
  3. Step 3: Cross multiply
    954.88x = 1,432.53 × 305.61
  4. Step 4: Simplify right side
    954.88x = 437,794.35
  5. Step 5: Solve for x
    x = 437,794.35/954.88
  6. Step 6: Final answer
    x = 458.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.