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Finding the Fourth Proportional to 434.72, 600 and 260.08

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Solution

The fourth proportional to 434.72, 600 and 260.08 is: 358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.72 : 600 = 260.08 : x
  2. Step 2: Convert to fraction form
    434.72/600 = 260.08/x
  3. Step 3: Cross multiply
    434.72x = 600 × 260.08
  4. Step 4: Simplify right side
    434.72x = 156,048
  5. Step 5: Solve for x
    x = 156,048/434.72
  6. Step 6: Final answer
    x = 358.96

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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.