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Finding the Fourth Proportional to 353,205.40, 529,808.10 and 335,234.20

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Solution

The fourth proportional to 353,205.40, 529,808.10 and 335,234.20 is: 502,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,205.40 : 529,808.10 = 335,234.20 : x
  2. Step 2: Convert to fraction form
    353,205.40/529,808.10 = 335,234.20/x
  3. Step 3: Cross multiply
    353,205.40x = 529,808.10 × 335,234.20
  4. Step 4: Simplify right side
    353,205.40x = 177,609,794,557.02
  5. Step 5: Solve for x
    x = 177,609,794,557.02/353,205.40
  6. Step 6: Final answer
    x = 502,851.30

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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.