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Finding the Fourth Proportional to 746.16, 1,118 and 529.34

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Solution

The fourth proportional to 746.16, 1,118 and 529.34 is: 793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.16 : 1,118 = 529.34 : x
  2. Step 2: Convert to fraction form
    746.16/1,118 = 529.34/x
  3. Step 3: Cross multiply
    746.16x = 1,118 × 529.34
  4. Step 4: Simplify right side
    746.16x = 591,802.12
  5. Step 5: Solve for x
    x = 591,802.12/746.16
  6. Step 6: Final answer
    x = 793.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.