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Finding the Fourth Proportional to 744.93, 1,117.80 and 562.14

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Solution

The fourth proportional to 744.93, 1,117.80 and 562.14 is: 843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.93 : 1,117.80 = 562.14 : x
  2. Step 2: Convert to fraction form
    744.93/1,117.80 = 562.14/x
  3. Step 3: Cross multiply
    744.93x = 1,117.80 × 562.14
  4. Step 4: Simplify right side
    744.93x = 628,360.09
  5. Step 5: Solve for x
    x = 628,360.09/744.93
  6. Step 6: Final answer
    x = 843.52

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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.