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Finding the Fourth Proportional to 305,813.01, 458,884.50 and 179,699.67

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Solution

The fourth proportional to 305,813.01, 458,884.50 and 179,699.67 is: 269,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,813.01 : 458,884.50 = 179,699.67 : x
  2. Step 2: Convert to fraction form
    305,813.01/458,884.50 = 179,699.67/x
  3. Step 3: Cross multiply
    305,813.01x = 458,884.50 × 179,699.67
  4. Step 4: Simplify right side
    305,813.01x = 82,461,393,218.12
  5. Step 5: Solve for x
    x = 82,461,393,218.12/305,813.01
  6. Step 6: Final answer
    x = 269,646.45

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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.