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Finding the Fourth Proportional to 496,779.84, 745,280.44 and 181,236.72

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Solution

The fourth proportional to 496,779.84, 745,280.44 and 181,236.72 is: 271,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,779.84 : 745,280.44 = 181,236.72 : x
  2. Step 2: Convert to fraction form
    496,779.84/745,280.44 = 181,236.72/x
  3. Step 3: Cross multiply
    496,779.84x = 745,280.44 × 181,236.72
  4. Step 4: Simplify right side
    496,779.84x = 135,072,182,425.76
  5. Step 5: Solve for x
    x = 135,072,182,425.76/496,779.84
  6. Step 6: Final answer
    x = 271,895.46

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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.