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Finding the Fourth Proportional to 647,237.99, 970,856.15 and 173,923.36

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Solution

The fourth proportional to 647,237.99, 970,856.15 and 173,923.36 is: 260,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,237.99 : 970,856.15 = 173,923.36 : x
  2. Step 2: Convert to fraction form
    647,237.99/970,856.15 = 173,923.36/x
  3. Step 3: Cross multiply
    647,237.99x = 970,856.15 × 173,923.36
  4. Step 4: Simplify right side
    647,237.99x = 168,854,563,684.66
  5. Step 5: Solve for x
    x = 168,854,563,684.66/647,237.99
  6. Step 6: Final answer
    x = 260,884.82

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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.