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Finding the Fourth Proportional to 839.63, 1,158.76 and 466.64

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Solution

The fourth proportional to 839.63, 1,158.76 and 466.64 is: 644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    839.63 : 1,158.76 = 466.64 : x
  2. Step 2: Convert to fraction form
    839.63/1,158.76 = 466.64/x
  3. Step 3: Cross multiply
    839.63x = 1,158.76 × 466.64
  4. Step 4: Simplify right side
    839.63x = 540,725.50
  5. Step 5: Solve for x
    x = 540,725.50/839.63
  6. Step 6: Final answer
    x = 644.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.