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Finding the Fourth Proportional to 710.68, 980.98 and 536.04

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Solution

The fourth proportional to 710.68, 980.98 and 536.04 is: 739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.68 : 980.98 = 536.04 : x
  2. Step 2: Convert to fraction form
    710.68/980.98 = 536.04/x
  3. Step 3: Cross multiply
    710.68x = 980.98 × 536.04
  4. Step 4: Simplify right side
    710.68x = 525,844.52
  5. Step 5: Solve for x
    x = 525,844.52/710.68
  6. Step 6: Final answer
    x = 739.92

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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.