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Finding the Fourth Proportional to 530,568.12, 796,128.66 and 235,011

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Solution

The fourth proportional to 530,568.12, 796,128.66 and 235,011 is: 352,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,568.12 : 796,128.66 = 235,011 : x
  2. Step 2: Convert to fraction form
    530,568.12/796,128.66 = 235,011/x
  3. Step 3: Cross multiply
    530,568.12x = 796,128.66 × 235,011
  4. Step 4: Simplify right side
    530,568.12x = 187,098,992,515.26
  5. Step 5: Solve for x
    x = 187,098,992,515.26/530,568.12
  6. Step 6: Final answer
    x = 352,638.96

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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.