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Finding the Fourth Proportional to 423,178.91, 583,986.91 and 241,894.77

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Solution

The fourth proportional to 423,178.91, 583,986.91 and 241,894.77 is: 333,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,178.91 : 583,986.91 = 241,894.77 : x
  2. Step 2: Convert to fraction form
    423,178.91/583,986.91 = 241,894.77/x
  3. Step 3: Cross multiply
    423,178.91x = 583,986.91 × 241,894.77
  4. Step 4: Simplify right side
    423,178.91x = 141,263,378,067.99
  5. Step 5: Solve for x
    x = 141,263,378,067.99/423,178.91
  6. Step 6: Final answer
    x = 333,814.79

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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.