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Finding the Fourth Proportional to 527.04, 789.60 and 295.68

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Solution

The fourth proportional to 527.04, 789.60 and 295.68 is: 442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.04 : 789.60 = 295.68 : x
  2. Step 2: Convert to fraction form
    527.04/789.60 = 295.68/x
  3. Step 3: Cross multiply
    527.04x = 789.60 × 295.68
  4. Step 4: Simplify right side
    527.04x = 233,468.93
  5. Step 5: Solve for x
    x = 233,468.93/527.04
  6. Step 6: Final answer
    x = 442.98

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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.