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Finding the Fourth Proportional to 445,407.52, 614,687.52 and 264,226.72

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Solution

The fourth proportional to 445,407.52, 614,687.52 and 264,226.72 is: 364,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,407.52 : 614,687.52 = 264,226.72 : x
  2. Step 2: Convert to fraction form
    445,407.52/614,687.52 = 264,226.72/x
  3. Step 3: Cross multiply
    445,407.52x = 614,687.52 × 264,226.72
  4. Step 4: Simplify right side
    445,407.52x = 162,416,867,234.53
  5. Step 5: Solve for x
    x = 162,416,867,234.53/445,407.52
  6. Step 6: Final answer
    x = 364,647.79

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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.