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Finding the Fourth Proportional to 453,709.69, 626,119.37 and 252,553.21

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Solution

The fourth proportional to 453,709.69, 626,119.37 and 252,553.21 is: 348,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,709.69 : 626,119.37 = 252,553.21 : x
  2. Step 2: Convert to fraction form
    453,709.69/626,119.37 = 252,553.21/x
  3. Step 3: Cross multiply
    453,709.69x = 626,119.37 × 252,553.21
  4. Step 4: Simplify right side
    453,709.69x = 158,128,454,855.69
  5. Step 5: Solve for x
    x = 158,128,454,855.69/453,709.69
  6. Step 6: Final answer
    x = 348,523.43

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1.5x scale

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.