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Finding the Fourth Proportional to 435,039.78, 652,590.78 and 182,065.56

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Solution

The fourth proportional to 435,039.78, 652,590.78 and 182,065.56 is: 273,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,039.78 : 652,590.78 = 182,065.56 : x
  2. Step 2: Convert to fraction form
    435,039.78/652,590.78 = 182,065.56/x
  3. Step 3: Cross multiply
    435,039.78x = 652,590.78 × 182,065.56
  4. Step 4: Simplify right side
    435,039.78x = 118,814,305,811.54
  5. Step 5: Solve for x
    x = 118,814,305,811.54/435,039.78
  6. Step 6: Final answer
    x = 273,111.36

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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.