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Finding the Fourth Proportional to 710.64, 979.74 and 544.68

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Solution

The fourth proportional to 710.64, 979.74 and 544.68 is: 750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.64 : 979.74 = 544.68 : x
  2. Step 2: Convert to fraction form
    710.64/979.74 = 544.68/x
  3. Step 3: Cross multiply
    710.64x = 979.74 × 544.68
  4. Step 4: Simplify right side
    710.64x = 533,644.78
  5. Step 5: Solve for x
    x = 533,644.78/710.64
  6. Step 6: Final answer
    x = 750.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.