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Finding the Fourth Proportional to 352,546.40, 528,819.60 and 299,402.30

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Solution

The fourth proportional to 352,546.40, 528,819.60 and 299,402.30 is: 449,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,546.40 : 528,819.60 = 299,402.30 : x
  2. Step 2: Convert to fraction form
    352,546.40/528,819.60 = 299,402.30/x
  3. Step 3: Cross multiply
    352,546.40x = 528,819.60 × 299,402.30
  4. Step 4: Simplify right side
    352,546.40x = 158,329,804,525.08
  5. Step 5: Solve for x
    x = 158,329,804,525.08/352,546.40
  6. Step 6: Final answer
    x = 449,103.45

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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.