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Finding the Fourth Proportional to 453,266.46, 679,592.97 and 253,724.58

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Solution

The fourth proportional to 453,266.46, 679,592.97 and 253,724.58 is: 380,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,266.46 : 679,592.97 = 253,724.58 : x
  2. Step 2: Convert to fraction form
    453,266.46/679,592.97 = 253,724.58/x
  3. Step 3: Cross multiply
    453,266.46x = 679,592.97 × 253,724.58
  4. Step 4: Simplify right side
    453,266.46x = 172,429,440,884.20
  5. Step 5: Solve for x
    x = 172,429,440,884.20/453,266.46
  6. Step 6: Final answer
    x = 380,415.18

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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.