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Finding the Fourth Proportional to 530,999.39, 796,203.80 and 175,819.65

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Solution

The fourth proportional to 530,999.39, 796,203.80 and 175,819.65 is: 263,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,999.39 : 796,203.80 = 175,819.65 : x
  2. Step 2: Convert to fraction form
    530,999.39/796,203.80 = 175,819.65/x
  3. Step 3: Cross multiply
    530,999.39x = 796,203.80 × 175,819.65
  4. Step 4: Simplify right side
    530,999.39x = 139,988,272,565.57
  5. Step 5: Solve for x
    x = 139,988,272,565.57/530,999.39
  6. Step 6: Final answer
    x = 263,631.70

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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.