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Finding the Fourth Proportional to 377,016.68, 520,404.40 and 241,416

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Solution

The fourth proportional to 377,016.68, 520,404.40 and 241,416 is: 333,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,016.68 : 520,404.40 = 241,416 : x
  2. Step 2: Convert to fraction form
    377,016.68/520,404.40 = 241,416/x
  3. Step 3: Cross multiply
    377,016.68x = 520,404.40 × 241,416
  4. Step 4: Simplify right side
    377,016.68x = 125,633,948,630.40
  5. Step 5: Solve for x
    x = 125,633,948,630.40/377,016.68
  6. Step 6: Final answer
    x = 333,231.80

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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.