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Finding the Fourth Proportional to 297,336.38, 446,000.57 and 72,698.75

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Solution

The fourth proportional to 297,336.38, 446,000.57 and 72,698.75 is: 109,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,336.38 : 446,000.57 = 72,698.75 : x
  2. Step 2: Convert to fraction form
    297,336.38/446,000.57 = 72,698.75/x
  3. Step 3: Cross multiply
    297,336.38x = 446,000.57 × 72,698.75
  4. Step 4: Simplify right side
    297,336.38x = 32,423,681,890.03
  5. Step 5: Solve for x
    x = 32,423,681,890.03/297,336.38
  6. Step 6: Final answer
    x = 109,047.14

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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.