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Finding the Fourth Proportional to 462,679.04, 638,491.84 and 250,711.04

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Solution

The fourth proportional to 462,679.04, 638,491.84 and 250,711.04 is: 345,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,679.04 : 638,491.84 = 250,711.04 : x
  2. Step 2: Convert to fraction form
    462,679.04/638,491.84 = 250,711.04/x
  3. Step 3: Cross multiply
    462,679.04x = 638,491.84 × 250,711.04
  4. Step 4: Simplify right side
    462,679.04x = 160,076,953,237.91
  5. Step 5: Solve for x
    x = 160,076,953,237.91/462,679.04
  6. Step 6: Final answer
    x = 345,978.40

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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.