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Finding the Fourth Proportional to 297,697.12, 447,362.88 and 157,554.88

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Solution

The fourth proportional to 297,697.12, 447,362.88 and 157,554.88 is: 236,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,697.12 : 447,362.88 = 157,554.88 : x
  2. Step 2: Convert to fraction form
    297,697.12/447,362.88 = 157,554.88/x
  3. Step 3: Cross multiply
    297,697.12x = 447,362.88 × 157,554.88
  4. Step 4: Simplify right side
    297,697.12x = 70,484,204,874.85
  5. Step 5: Solve for x
    x = 70,484,204,874.85/297,697.12
  6. Step 6: Final answer
    x = 236,764.82

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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.