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Finding the Fourth Proportional to 352,874.50, 529,014.20 and 153,044.38

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Solution

The fourth proportional to 352,874.50, 529,014.20 and 153,044.38 is: 229,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,874.50 : 529,014.20 = 153,044.38 : x
  2. Step 2: Convert to fraction form
    352,874.50/529,014.20 = 153,044.38/x
  3. Step 3: Cross multiply
    352,874.50x = 529,014.20 × 153,044.38
  4. Step 4: Simplify right side
    352,874.50x = 80,962,651,955.34
  5. Step 5: Solve for x
    x = 80,962,651,955.34/352,874.50
  6. Step 6: Final answer
    x = 229,437.52

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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.