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Finding the Fourth Proportional to 336,127.70, 504,191.55 and 86,809.70

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Solution

The fourth proportional to 336,127.70, 504,191.55 and 86,809.70 is: 130,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,127.70 : 504,191.55 = 86,809.70 : x
  2. Step 2: Convert to fraction form
    336,127.70/504,191.55 = 86,809.70/x
  3. Step 3: Cross multiply
    336,127.70x = 504,191.55 × 86,809.70
  4. Step 4: Simplify right side
    336,127.70x = 43,768,717,198.04
  5. Step 5: Solve for x
    x = 43,768,717,198.04/336,127.70
  6. Step 6: Final answer
    x = 130,214.55

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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.