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Finding the Fourth Proportional to 318,589.16, 439,602.66 and 182,596.91

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Solution

The fourth proportional to 318,589.16, 439,602.66 and 182,596.91 is: 251,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,589.16 : 439,602.66 = 182,596.91 : x
  2. Step 2: Convert to fraction form
    318,589.16/439,602.66 = 182,596.91/x
  3. Step 3: Cross multiply
    318,589.16x = 439,602.66 × 182,596.91
  4. Step 4: Simplify right side
    318,589.16x = 80,270,085,145.77
  5. Step 5: Solve for x
    x = 80,270,085,145.77/318,589.16
  6. Step 6: Final answer
    x = 251,954.86

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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.