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Finding the Fourth Proportional to 508,817.37, 763,242.24 and 255,959.67

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Solution

The fourth proportional to 508,817.37, 763,242.24 and 255,959.67 is: 383,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,817.37 : 763,242.24 = 255,959.67 : x
  2. Step 2: Convert to fraction form
    508,817.37/763,242.24 = 255,959.67/x
  3. Step 3: Cross multiply
    508,817.37x = 763,242.24 × 255,959.67
  4. Step 4: Simplify right side
    508,817.37x = 195,359,231,880.46
  5. Step 5: Solve for x
    x = 195,359,231,880.46/508,817.37
  6. Step 6: Final answer
    x = 383,947.65

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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.