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Finding the Fourth Proportional to 734.84, 1,014.09 and 472.94

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Solution

The fourth proportional to 734.84, 1,014.09 and 472.94 is: 652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.84 : 1,014.09 = 472.94 : x
  2. Step 2: Convert to fraction form
    734.84/1,014.09 = 472.94/x
  3. Step 3: Cross multiply
    734.84x = 1,014.09 × 472.94
  4. Step 4: Simplify right side
    734.84x = 479,603.72
  5. Step 5: Solve for x
    x = 479,603.72/734.84
  6. Step 6: Final answer
    x = 652.66

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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.