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Finding the Fourth Proportional to 297,786.84, 410,779.50 and 182,985.72

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Solution

The fourth proportional to 297,786.84, 410,779.50 and 182,985.72 is: 252,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,786.84 : 410,779.50 = 182,985.72 : x
  2. Step 2: Convert to fraction form
    297,786.84/410,779.50 = 182,985.72/x
  3. Step 3: Cross multiply
    297,786.84x = 410,779.50 × 182,985.72
  4. Step 4: Simplify right side
    297,786.84x = 75,166,782,568.74
  5. Step 5: Solve for x
    x = 75,166,782,568.74/297,786.84
  6. Step 6: Final answer
    x = 252,418.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.