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Finding the Fourth Proportional to 297,952.63, 446,928.76 and 87,590.59

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Solution

The fourth proportional to 297,952.63, 446,928.76 and 87,590.59 is: 131,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,952.63 : 446,928.76 = 87,590.59 : x
  2. Step 2: Convert to fraction form
    297,952.63/446,928.76 = 87,590.59/x
  3. Step 3: Cross multiply
    297,952.63x = 446,928.76 × 87,590.59
  4. Step 4: Simplify right side
    297,952.63x = 39,146,753,776.37
  5. Step 5: Solve for x
    x = 39,146,753,776.37/297,952.63
  6. Step 6: Final answer
    x = 131,385.83

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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.