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Finding the Fourth Proportional to 353,073.82, 529,312.20 and 153,244

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Solution

The fourth proportional to 353,073.82, 529,312.20 and 153,244 is: 229,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,073.82 : 529,312.20 = 153,244 : x
  2. Step 2: Convert to fraction form
    353,073.82/529,312.20 = 153,244/x
  3. Step 3: Cross multiply
    353,073.82x = 529,312.20 × 153,244
  4. Step 4: Simplify right side
    353,073.82x = 81,113,918,776.80
  5. Step 5: Solve for x
    x = 81,113,918,776.80/353,073.82
  6. Step 6: Final answer
    x = 229,736.43

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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.