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Finding the Fourth Proportional to 353,293.27, 529,927.74 and 100,575.31

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Solution

The fourth proportional to 353,293.27, 529,927.74 and 100,575.31 is: 150,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,293.27 : 529,927.74 = 100,575.31 : x
  2. Step 2: Convert to fraction form
    353,293.27/529,927.74 = 100,575.31/x
  3. Step 3: Cross multiply
    353,293.27x = 529,927.74 × 100,575.31
  4. Step 4: Simplify right side
    353,293.27x = 53,297,646,728.10
  5. Step 5: Solve for x
    x = 53,297,646,728.10/353,293.27
  6. Step 6: Final answer
    x = 150,859.50

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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.