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Finding the Fourth Proportional to 808.47, 1,116.60 and 546.03

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Solution

The fourth proportional to 808.47, 1,116.60 and 546.03 is: 754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808.47 : 1,116.60 = 546.03 : x
  2. Step 2: Convert to fraction form
    808.47/1,116.60 = 546.03/x
  3. Step 3: Cross multiply
    808.47x = 1,116.60 × 546.03
  4. Step 4: Simplify right side
    808.47x = 609,697.10
  5. Step 5: Solve for x
    x = 609,697.10/808.47
  6. Step 6: Final answer
    x = 754.14

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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.