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Finding the Fourth Proportional to 527,601.23, 728,103.15 and 323,764.73

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Solution

The fourth proportional to 527,601.23, 728,103.15 and 323,764.73 is: 446,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,601.23 : 728,103.15 = 323,764.73 : x
  2. Step 2: Convert to fraction form
    527,601.23/728,103.15 = 323,764.73/x
  3. Step 3: Cross multiply
    527,601.23x = 728,103.15 × 323,764.73
  4. Step 4: Simplify right side
    527,601.23x = 235,734,119,771.90
  5. Step 5: Solve for x
    x = 235,734,119,771.90/527,601.23
  6. Step 6: Final answer
    x = 446,803.58

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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.