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Finding the Fourth Proportional to 532.94, 735.45 and 300.07

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Solution

The fourth proportional to 532.94, 735.45 and 300.07 is: 414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.94 : 735.45 = 300.07 : x
  2. Step 2: Convert to fraction form
    532.94/735.45 = 300.07/x
  3. Step 3: Cross multiply
    532.94x = 735.45 × 300.07
  4. Step 4: Simplify right side
    532.94x = 220,686.48
  5. Step 5: Solve for x
    x = 220,686.48/532.94
  6. Step 6: Final answer
    x = 414.09

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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.