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Finding the Fourth Proportional to 528,464.88, 792,826.92 and 247,654.80

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Solution

The fourth proportional to 528,464.88, 792,826.92 and 247,654.80 is: 371,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,464.88 : 792,826.92 = 247,654.80 : x
  2. Step 2: Convert to fraction form
    528,464.88/792,826.92 = 247,654.80/x
  3. Step 3: Cross multiply
    528,464.88x = 792,826.92 × 247,654.80
  4. Step 4: Simplify right side
    528,464.88x = 196,347,392,307.22
  5. Step 5: Solve for x
    x = 196,347,392,307.22/528,464.88
  6. Step 6: Final answer
    x = 371,542.93

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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.