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Finding the Fourth Proportional to 318,992.14, 440,219.10 and 183,050.98

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Solution

The fourth proportional to 318,992.14, 440,219.10 and 183,050.98 is: 252,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,992.14 : 440,219.10 = 183,050.98 : x
  2. Step 2: Convert to fraction form
    318,992.14/440,219.10 = 183,050.98/x
  3. Step 3: Cross multiply
    318,992.14x = 440,219.10 × 183,050.98
  4. Step 4: Simplify right side
    318,992.14x = 80,582,537,669.72
  5. Step 5: Solve for x
    x = 80,582,537,669.72/318,992.14
  6. Step 6: Final answer
    x = 252,616.06

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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.