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Finding the Fourth Proportional to 493,869.36, 740,295.54 and 194,228.46

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Solution

The fourth proportional to 493,869.36, 740,295.54 and 194,228.46 is: 291,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,869.36 : 740,295.54 = 194,228.46 : x
  2. Step 2: Convert to fraction form
    493,869.36/740,295.54 = 194,228.46/x
  3. Step 3: Cross multiply
    493,869.36x = 740,295.54 × 194,228.46
  4. Step 4: Simplify right side
    493,869.36x = 143,786,462,679.07
  5. Step 5: Solve for x
    x = 143,786,462,679.07/493,869.36
  6. Step 6: Final answer
    x = 291,142.71

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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.