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Finding the Fourth Proportional to 810,872.82, 1,119,182.13 and 471,536.82

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Solution

The fourth proportional to 810,872.82, 1,119,182.13 and 471,536.82 is: 650,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,872.82 : 1,119,182.13 = 471,536.82 : x
  2. Step 2: Convert to fraction form
    810,872.82/1,119,182.13 = 471,536.82/x
  3. Step 3: Cross multiply
    810,872.82x = 1,119,182.13 × 471,536.82
  4. Step 4: Simplify right side
    810,872.82x = 527,735,582,581.03
  5. Step 5: Solve for x
    x = 527,735,582,581.03/810,872.82
  6. Step 6: Final answer
    x = 650,824.11

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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.