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Finding the Fourth Proportional to 734.79, 1,096.93 and 709.14

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Solution

The fourth proportional to 734.79, 1,096.93 and 709.14 is: 1,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.79 : 1,096.93 = 709.14 : x
  2. Step 2: Convert to fraction form
    734.79/1,096.93 = 709.14/x
  3. Step 3: Cross multiply
    734.79x = 1,096.93 × 709.14
  4. Step 4: Simplify right side
    734.79x = 777,875.17
  5. Step 5: Solve for x
    x = 777,875.17/734.79
  6. Step 6: Final answer
    x = 1,058.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.