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Finding the Fourth Proportional to 1,249,234.11, 1,723,942.71 and 676,273.86

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Solution

The fourth proportional to 1,249,234.11, 1,723,942.71 and 676,273.86 is: 933,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,234.11 : 1,723,942.71 = 676,273.86 : x
  2. Step 2: Convert to fraction form
    1,249,234.11/1,723,942.71 = 676,273.86/x
  3. Step 3: Cross multiply
    1,249,234.11x = 1,723,942.71 × 676,273.86
  4. Step 4: Simplify right side
    1,249,234.11x = 1,165,857,390,910.56
  5. Step 5: Solve for x
    x = 1,165,857,390,910.56/1,249,234.11
  6. Step 6: Final answer
    x = 933,257.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.