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Finding the Fourth Proportional to 353,606.88, 530,427.76 and 100,924.56

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Solution

The fourth proportional to 353,606.88, 530,427.76 and 100,924.56 is: 151,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,606.88 : 530,427.76 = 100,924.56 : x
  2. Step 2: Convert to fraction form
    353,606.88/530,427.76 = 100,924.56/x
  3. Step 3: Cross multiply
    353,606.88x = 530,427.76 × 100,924.56
  4. Step 4: Simplify right side
    353,606.88x = 53,533,188,289.79
  5. Step 5: Solve for x
    x = 53,533,188,289.79/353,606.88
  6. Step 6: Final answer
    x = 151,391.82

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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.