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Finding the Fourth Proportional to 322.19, 444.35 and 260.00

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Solution

The fourth proportional to 322.19, 444.35 and 260.00 is: 358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.19 : 444.35 = 260.00 : x
  2. Step 2: Convert to fraction form
    322.19/444.35 = 260.00/x
  3. Step 3: Cross multiply
    322.19x = 444.35 × 260.00
  4. Step 4: Simplify right side
    322.19x = 115,527.48
  5. Step 5: Solve for x
    x = 115,527.48/322.19
  6. Step 6: Final answer
    x = 358.57

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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.