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Finding the Fourth Proportional to 453,448.47, 680,260.19 and 253,994.07

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Solution

The fourth proportional to 453,448.47, 680,260.19 and 253,994.07 is: 381,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,448.47 : 680,260.19 = 253,994.07 : x
  2. Step 2: Convert to fraction form
    453,448.47/680,260.19 = 253,994.07/x
  3. Step 3: Cross multiply
    453,448.47x = 680,260.19 × 253,994.07
  4. Step 4: Simplify right side
    453,448.47x = 172,782,053,047.10
  5. Step 5: Solve for x
    x = 172,782,053,047.10/453,448.47
  6. Step 6: Final answer
    x = 381,040.11

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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.