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Finding the Fourth Proportional to 530,690.32, 796,062.84 and 151,581.16

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Solution

The fourth proportional to 530,690.32, 796,062.84 and 151,581.16 is: 227,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,690.32 : 796,062.84 = 151,581.16 : x
  2. Step 2: Convert to fraction form
    530,690.32/796,062.84 = 151,581.16/x
  3. Step 3: Cross multiply
    530,690.32x = 796,062.84 × 151,581.16
  4. Step 4: Simplify right side
    530,690.32x = 120,668,128,720.09
  5. Step 5: Solve for x
    x = 120,668,128,720.09/530,690.32
  6. Step 6: Final answer
    x = 227,379.55

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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.