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Finding the Fourth Proportional to 353,790.89, 530,704.56 and 101,051.45

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Solution

The fourth proportional to 353,790.89, 530,704.56 and 101,051.45 is: 151,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,790.89 : 530,704.56 = 101,051.45 : x
  2. Step 2: Convert to fraction form
    353,790.89/530,704.56 = 101,051.45/x
  3. Step 3: Cross multiply
    353,790.89x = 530,704.56 × 101,051.45
  4. Step 4: Simplify right side
    353,790.89x = 53,628,465,309.61
  5. Step 5: Solve for x
    x = 53,628,465,309.61/353,790.89
  6. Step 6: Final answer
    x = 151,582.38

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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.