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Finding the Fourth Proportional to 1,236,742.96, 1,863,538.48 and 1,017,024.88

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Solution

The fourth proportional to 1,236,742.96, 1,863,538.48 and 1,017,024.88 is: 1,532,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,742.96 : 1,863,538.48 = 1,017,024.88 : x
  2. Step 2: Convert to fraction form
    1,236,742.96/1,863,538.48 = 1,017,024.88/x
  3. Step 3: Cross multiply
    1,236,742.96x = 1,863,538.48 × 1,017,024.88
  4. Step 4: Simplify right side
    1,236,742.96x = 1,895,264,998,997.38
  5. Step 5: Solve for x
    x = 1,895,264,998,997.38/1,236,742.96
  6. Step 6: Final answer
    x = 1,532,464.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.