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Finding the Fourth Proportional to 353,524.19, 530,291.21 and 100,804.77

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Solution

The fourth proportional to 353,524.19, 530,291.21 and 100,804.77 is: 151,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,524.19 : 530,291.21 = 100,804.77 : x
  2. Step 2: Convert to fraction form
    353,524.19/530,291.21 = 100,804.77/x
  3. Step 3: Cross multiply
    353,524.19x = 530,291.21 × 100,804.77
  4. Step 4: Simplify right side
    353,524.19x = 53,455,882,953.05
  5. Step 5: Solve for x
    x = 53,455,882,953.05/353,524.19
  6. Step 6: Final answer
    x = 151,208.56

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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.