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Finding the Fourth Proportional to 530,502.58, 795,780.30 and 151,479.54

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Solution

The fourth proportional to 530,502.58, 795,780.30 and 151,479.54 is: 227,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,502.58 : 795,780.30 = 151,479.54 : x
  2. Step 2: Convert to fraction form
    530,502.58/795,780.30 = 151,479.54/x
  3. Step 3: Cross multiply
    530,502.58x = 795,780.30 × 151,479.54
  4. Step 4: Simplify right side
    530,502.58x = 120,544,433,785.06
  5. Step 5: Solve for x
    x = 120,544,433,785.06/530,502.58
  6. Step 6: Final answer
    x = 227,226.86

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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.