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Finding the Fourth Proportional to 233,313.60, 349,581.60 and 219,316.80

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Solution

The fourth proportional to 233,313.60, 349,581.60 and 219,316.80 is: 328,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,313.60 : 349,581.60 = 219,316.80 : x
  2. Step 2: Convert to fraction form
    233,313.60/349,581.60 = 219,316.80/x
  3. Step 3: Cross multiply
    233,313.60x = 349,581.60 × 219,316.80
  4. Step 4: Simplify right side
    233,313.60x = 76,669,117,850.88
  5. Step 5: Solve for x
    x = 76,669,117,850.88/233,313.60
  6. Step 6: Final answer
    x = 328,609.72

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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.