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Finding the Fourth Proportional to 352,512.40, 529,114.20 and 175,219.60

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Solution

The fourth proportional to 352,512.40, 529,114.20 and 175,219.60 is: 263,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512.40 : 529,114.20 = 175,219.60 : x
  2. Step 2: Convert to fraction form
    352,512.40/529,114.20 = 175,219.60/x
  3. Step 3: Cross multiply
    352,512.40x = 529,114.20 × 175,219.60
  4. Step 4: Simplify right side
    352,512.40x = 92,711,178,478.32
  5. Step 5: Solve for x
    x = 92,711,178,478.32/352,512.40
  6. Step 6: Final answer
    x = 263,001.18

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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.