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Finding the Fourth Proportional to 333,811.54, 500,717.67 and 84,493.54

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Solution

The fourth proportional to 333,811.54, 500,717.67 and 84,493.54 is: 126,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,811.54 : 500,717.67 = 84,493.54 : x
  2. Step 2: Convert to fraction form
    333,811.54/500,717.67 = 84,493.54/x
  3. Step 3: Cross multiply
    333,811.54x = 500,717.67 × 84,493.54
  4. Step 4: Simplify right side
    333,811.54x = 42,307,408,478.85
  5. Step 5: Solve for x
    x = 42,307,408,478.85/333,811.54
  6. Step 6: Final answer
    x = 126,740.40

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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.