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Finding the Fourth Proportional to 453,450.48, 680,263.18 and 253,996.08

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Solution

The fourth proportional to 453,450.48, 680,263.18 and 253,996.08 is: 381,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,450.48 : 680,263.18 = 253,996.08 : x
  2. Step 2: Convert to fraction form
    453,450.48/680,263.18 = 253,996.08/x
  3. Step 3: Cross multiply
    453,450.48x = 680,263.18 × 253,996.08
  4. Step 4: Simplify right side
    453,450.48x = 172,784,181,088.33
  5. Step 5: Solve for x
    x = 172,784,181,088.33/453,450.48
  6. Step 6: Final answer
    x = 381,043.11

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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.