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Finding the Fourth Proportional to 425.94, 587.52 and 260.07

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Solution

The fourth proportional to 425.94, 587.52 and 260.07 is: 358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.94 : 587.52 = 260.07 : x
  2. Step 2: Convert to fraction form
    425.94/587.52 = 260.07/x
  3. Step 3: Cross multiply
    425.94x = 587.52 × 260.07
  4. Step 4: Simplify right side
    425.94x = 152,796.33
  5. Step 5: Solve for x
    x = 152,796.33/425.94
  6. Step 6: Final answer
    x = 358.73

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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.