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Finding the Fourth Proportional to 297,929.54, 446,894.52 and 87,715.10

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Solution

The fourth proportional to 297,929.54, 446,894.52 and 87,715.10 is: 131,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,929.54 : 446,894.52 = 87,715.10 : x
  2. Step 2: Convert to fraction form
    297,929.54/446,894.52 = 87,715.10/x
  3. Step 3: Cross multiply
    297,929.54x = 446,894.52 × 87,715.10
  4. Step 4: Simplify right side
    297,929.54x = 39,199,398,299.56
  5. Step 5: Solve for x
    x = 39,199,398,299.56/297,929.54
  6. Step 6: Final answer
    x = 131,572.71

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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.