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Finding the Fourth Proportional to 353,788.89, 530,701.56 and 101,049.45

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Solution

The fourth proportional to 353,788.89, 530,701.56 and 101,049.45 is: 151,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,788.89 : 530,701.56 = 101,049.45 : x
  2. Step 2: Convert to fraction form
    353,788.89/530,701.56 = 101,049.45/x
  3. Step 3: Cross multiply
    353,788.89x = 530,701.56 × 101,049.45
  4. Step 4: Simplify right side
    353,788.89x = 53,627,100,752.14
  5. Step 5: Solve for x
    x = 53,627,100,752.14/353,788.89
  6. Step 6: Final answer
    x = 151,579.38

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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.