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Finding the Fourth Proportional to 496,956.08, 745,357.72 and 272,427.76

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Solution

The fourth proportional to 496,956.08, 745,357.72 and 272,427.76 is: 408,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,956.08 : 745,357.72 = 272,427.76 : x
  2. Step 2: Convert to fraction form
    496,956.08/745,357.72 = 272,427.76/x
  3. Step 3: Cross multiply
    496,956.08x = 745,357.72 × 272,427.76
  4. Step 4: Simplify right side
    496,956.08x = 203,056,134,058.31
  5. Step 5: Solve for x
    x = 203,056,134,058.31/496,956.08
  6. Step 6: Final answer
    x = 408,599.76

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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.