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Finding the Fourth Proportional to 298,326.08, 447,489.16 and 245,624.85

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Solution

The fourth proportional to 298,326.08, 447,489.16 and 245,624.85 is: 368,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,326.08 : 447,489.16 = 245,624.85 : x
  2. Step 2: Convert to fraction form
    298,326.08/447,489.16 = 245,624.85/x
  3. Step 3: Cross multiply
    298,326.08x = 447,489.16 × 245,624.85
  4. Step 4: Simplify right side
    298,326.08x = 109,914,457,187.56
  5. Step 5: Solve for x
    x = 109,914,457,187.56/298,326.08
  6. Step 6: Final answer
    x = 368,437.30

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1.5x scale

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.