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Finding the Fourth Proportional to 260.04, 358.74 and 156.52

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Solution

The fourth proportional to 260.04, 358.74 and 156.52 is: 215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.04 : 358.74 = 156.52 : x
  2. Step 2: Convert to fraction form
    260.04/358.74 = 156.52/x
  3. Step 3: Cross multiply
    260.04x = 358.74 × 156.52
  4. Step 4: Simplify right side
    260.04x = 56,149.98
  5. Step 5: Solve for x
    x = 56,149.98/260.04
  6. Step 6: Final answer
    x = 215.93

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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.