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Finding the Fourth Proportional to 508,130.96, 762,491.70 and 227,648.21

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Solution

The fourth proportional to 508,130.96, 762,491.70 and 227,648.21 is: 341,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,130.96 : 762,491.70 = 227,648.21 : x
  2. Step 2: Convert to fraction form
    508,130.96/762,491.70 = 227,648.21/x
  3. Step 3: Cross multiply
    508,130.96x = 762,491.70 × 227,648.21
  4. Step 4: Simplify right side
    508,130.96x = 173,579,866,832.40
  5. Step 5: Solve for x
    x = 173,579,866,832.40/508,130.96
  6. Step 6: Final answer
    x = 341,604.59

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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.