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Finding the Fourth Proportional to 435,089.19, 652,555.94 and 276,847.59

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Solution

The fourth proportional to 435,089.19, 652,555.94 and 276,847.59 is: 415,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,089.19 : 652,555.94 = 276,847.59 : x
  2. Step 2: Convert to fraction form
    435,089.19/652,555.94 = 276,847.59/x
  3. Step 3: Cross multiply
    435,089.19x = 652,555.94 × 276,847.59
  4. Step 4: Simplify right side
    435,089.19x = 180,658,537,944.95
  5. Step 5: Solve for x
    x = 180,658,537,944.95/435,089.19
  6. Step 6: Final answer
    x = 415,221.85

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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.