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Finding the Fourth Proportional to 1,182.96, 1,632.35 and 651.83

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Solution

The fourth proportional to 1,182.96, 1,632.35 and 651.83 is: 899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.96 : 1,632.35 = 651.83 : x
  2. Step 2: Convert to fraction form
    1,182.96/1,632.35 = 651.83/x
  3. Step 3: Cross multiply
    1,182.96x = 1,632.35 × 651.83
  4. Step 4: Simplify right side
    1,182.96x = 1,064,008.17
  5. Step 5: Solve for x
    x = 1,064,008.17/1,182.96
  6. Step 6: Final answer
    x = 899.45

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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.