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Finding the Fourth Proportional to 506,138.37, 759,104.28 and 186,180.27

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Solution

The fourth proportional to 506,138.37, 759,104.28 and 186,180.27 is: 279,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,138.37 : 759,104.28 = 186,180.27 : x
  2. Step 2: Convert to fraction form
    506,138.37/759,104.28 = 186,180.27/x
  3. Step 3: Cross multiply
    506,138.37x = 759,104.28 × 186,180.27
  4. Step 4: Simplify right side
    506,138.37x = 141,330,239,808.56
  5. Step 5: Solve for x
    x = 141,330,239,808.56/506,138.37
  6. Step 6: Final answer
    x = 279,232.42

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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.