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Finding the Fourth Proportional to 348,555.88, 522,604.38 and 229,865.32

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Solution

The fourth proportional to 348,555.88, 522,604.38 and 229,865.32 is: 344,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,555.88 : 522,604.38 = 229,865.32 : x
  2. Step 2: Convert to fraction form
    348,555.88/522,604.38 = 229,865.32/x
  3. Step 3: Cross multiply
    348,555.88x = 522,604.38 × 229,865.32
  4. Step 4: Simplify right side
    348,555.88x = 120,128,623,042.10
  5. Step 5: Solve for x
    x = 120,128,623,042.10/348,555.88
  6. Step 6: Final answer
    x = 344,646.67

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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.