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Finding the Fourth Proportional to 530,449.35, 795,674.68 and 131,084.01

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Solution

The fourth proportional to 530,449.35, 795,674.68 and 131,084.01 is: 196,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,449.35 : 795,674.68 = 131,084.01 : x
  2. Step 2: Convert to fraction form
    530,449.35/795,674.68 = 131,084.01/x
  3. Step 3: Cross multiply
    530,449.35x = 795,674.68 × 131,084.01
  4. Step 4: Simplify right side
    530,449.35x = 104,300,227,709.87
  5. Step 5: Solve for x
    x = 104,300,227,709.87/530,449.35
  6. Step 6: Final answer
    x = 196,626.18

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Double scale
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Similar ratio
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1.5x scale

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.