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Finding the Fourth Proportional to 273,488.78, 377,398.77 and 152,620.58

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Solution

The fourth proportional to 273,488.78, 377,398.77 and 152,620.58 is: 210,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,488.78 : 377,398.77 = 152,620.58 : x
  2. Step 2: Convert to fraction form
    273,488.78/377,398.77 = 152,620.58/x
  3. Step 3: Cross multiply
    273,488.78x = 377,398.77 × 152,620.58
  4. Step 4: Simplify right side
    273,488.78x = 57,598,819,168.69
  5. Step 5: Solve for x
    x = 57,598,819,168.69/273,488.78
  6. Step 6: Final answer
    x = 210,607.61

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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.