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Finding the Fourth Proportional to 744.16, 1,114.64 and 559.52

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Solution

The fourth proportional to 744.16, 1,114.64 and 559.52 is: 838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.16 : 1,114.64 = 559.52 : x
  2. Step 2: Convert to fraction form
    744.16/1,114.64 = 559.52/x
  3. Step 3: Cross multiply
    744.16x = 1,114.64 × 559.52
  4. Step 4: Simplify right side
    744.16x = 623,663.37
  5. Step 5: Solve for x
    x = 623,663.37/744.16
  6. Step 6: Final answer
    x = 838.08

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