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Finding the Fourth Proportional to 655,755.06, 983,765.16 and 276,676.74

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Solution

The fourth proportional to 655,755.06, 983,765.16 and 276,676.74 is: 415,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,755.06 : 983,765.16 = 276,676.74 : x
  2. Step 2: Convert to fraction form
    655,755.06/983,765.16 = 276,676.74/x
  3. Step 3: Cross multiply
    655,755.06x = 983,765.16 × 276,676.74
  4. Step 4: Simplify right side
    655,755.06x = 272,184,937,394.38
  5. Step 5: Solve for x
    x = 272,184,937,394.38/655,755.06
  6. Step 6: Final answer
    x = 415,071.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.