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Finding the Fourth Proportional to 295.74, 407.70 and 260.94

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Solution

The fourth proportional to 295.74, 407.70 and 260.94 is: 359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.74 : 407.70 = 260.94 : x
  2. Step 2: Convert to fraction form
    295.74/407.70 = 260.94/x
  3. Step 3: Cross multiply
    295.74x = 407.70 × 260.94
  4. Step 4: Simplify right side
    295.74x = 106,385.24
  5. Step 5: Solve for x
    x = 106,385.24/295.74
  6. Step 6: Final answer
    x = 359.73

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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.