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Finding the Fourth Proportional to 462,951.03, 638,846.56 and 258,962.56

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Solution

The fourth proportional to 462,951.03, 638,846.56 and 258,962.56 is: 357,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,951.03 : 638,846.56 = 258,962.56 : x
  2. Step 2: Convert to fraction form
    462,951.03/638,846.56 = 258,962.56/x
  3. Step 3: Cross multiply
    462,951.03x = 638,846.56 × 258,962.56
  4. Step 4: Simplify right side
    462,951.03x = 165,437,340,624.79
  5. Step 5: Solve for x
    x = 165,437,340,624.79/462,951.03
  6. Step 6: Final answer
    x = 357,353.87

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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.