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Finding the Fourth Proportional to 527,193.88, 791,579.94 and 456,335.80

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Solution

The fourth proportional to 527,193.88, 791,579.94 and 456,335.80 is: 685,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,193.88 : 791,579.94 = 456,335.80 : x
  2. Step 2: Convert to fraction form
    527,193.88/791,579.94 = 456,335.80/x
  3. Step 3: Cross multiply
    527,193.88x = 791,579.94 × 456,335.80
  4. Step 4: Simplify right side
    527,193.88x = 361,226,265,183.85
  5. Step 5: Solve for x
    x = 361,226,265,183.85/527,193.88
  6. Step 6: Final answer
    x = 685,186.76

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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.