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Finding the Fourth Proportional to 346,249.68, 519,441.84 and 133,002

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Solution

The fourth proportional to 346,249.68, 519,441.84 and 133,002 is: 199,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,249.68 : 519,441.84 = 133,002 : x
  2. Step 2: Convert to fraction form
    346,249.68/519,441.84 = 133,002/x
  3. Step 3: Cross multiply
    346,249.68x = 519,441.84 × 133,002
  4. Step 4: Simplify right side
    346,249.68x = 69,086,803,603.68
  5. Step 5: Solve for x
    x = 69,086,803,603.68/346,249.68
  6. Step 6: Final answer
    x = 199,528.86

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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.