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Finding the Fourth Proportional to 353,287.82, 529,852.10 and 100,562.70

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Solution

The fourth proportional to 353,287.82, 529,852.10 and 100,562.70 is: 150,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,287.82 : 529,852.10 = 100,562.70 : x
  2. Step 2: Convert to fraction form
    353,287.82/529,852.10 = 100,562.70/x
  3. Step 3: Cross multiply
    353,287.82x = 529,852.10 × 100,562.70
  4. Step 4: Simplify right side
    353,287.82x = 53,283,357,273.86
  5. Step 5: Solve for x
    x = 53,283,357,273.86/353,287.82
  6. Step 6: Final answer
    x = 150,821.38

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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.