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Finding the Fourth Proportional to 423.95, 584.88 and 246.88

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Solution

The fourth proportional to 423.95, 584.88 and 246.88 is: 340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.95 : 584.88 = 246.88 : x
  2. Step 2: Convert to fraction form
    423.95/584.88 = 246.88/x
  3. Step 3: Cross multiply
    423.95x = 584.88 × 246.88
  4. Step 4: Simplify right side
    423.95x = 144,397.00
  5. Step 5: Solve for x
    x = 144,397.00/423.95
  6. Step 6: Final answer
    x = 340.60

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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.