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Finding the Fourth Proportional to 318,460.01, 439,500.15 and 182,506.61

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Solution

The fourth proportional to 318,460.01, 439,500.15 and 182,506.61 is: 251,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460.01 : 439,500.15 = 182,506.61 : x
  2. Step 2: Convert to fraction form
    318,460.01/439,500.15 = 182,506.61/x
  3. Step 3: Cross multiply
    318,460.01x = 439,500.15 × 182,506.61
  4. Step 4: Simplify right side
    318,460.01x = 80,211,682,619.09
  5. Step 5: Solve for x
    x = 80,211,682,619.09/318,460.01
  6. Step 6: Final answer
    x = 251,873.64

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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.