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Finding the Fourth Proportional to 453,061.13, 678,113.00 and 333,086.36

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Solution

The fourth proportional to 453,061.13, 678,113.00 and 333,086.36 is: 498,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,061.13 : 678,113.00 = 333,086.36 : x
  2. Step 2: Convert to fraction form
    453,061.13/678,113.00 = 333,086.36/x
  3. Step 3: Cross multiply
    453,061.13x = 678,113.00 × 333,086.36
  4. Step 4: Simplify right side
    453,061.13x = 225,870,187,031.76
  5. Step 5: Solve for x
    x = 225,870,187,031.76/453,061.13
  6. Step 6: Final answer
    x = 498,542.41

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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.