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Finding the Fourth Proportional to 527,604.53, 728,051.15 and 298,182.56

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Solution

The fourth proportional to 527,604.53, 728,051.15 and 298,182.56 is: 411,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,604.53 : 728,051.15 = 298,182.56 : x
  2. Step 2: Convert to fraction form
    527,604.53/728,051.15 = 298,182.56/x
  3. Step 3: Cross multiply
    527,604.53x = 728,051.15 × 298,182.56
  4. Step 4: Simplify right side
    527,604.53x = 217,092,150,586.78
  5. Step 5: Solve for x
    x = 217,092,150,586.78/527,604.53
  6. Step 6: Final answer
    x = 411,467.57

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1.5x scale

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.