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Finding the Fourth Proportional to 453,993.99, 626,502.56 and 284,321.67

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Solution

The fourth proportional to 453,993.99, 626,502.56 and 284,321.67 is: 392,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,993.99 : 626,502.56 = 284,321.67 : x
  2. Step 2: Convert to fraction form
    453,993.99/626,502.56 = 284,321.67/x
  3. Step 3: Cross multiply
    453,993.99x = 626,502.56 × 284,321.67
  4. Step 4: Simplify right side
    453,993.99x = 178,128,254,118.48
  5. Step 5: Solve for x
    x = 178,128,254,118.48/453,993.99
  6. Step 6: Final answer
    x = 392,358.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.