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Finding the Fourth Proportional to 317,181.66, 437,670.37 and 181,224.42

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Solution

The fourth proportional to 317,181.66, 437,670.37 and 181,224.42 is: 250,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,181.66 : 437,670.37 = 181,224.42 : x
  2. Step 2: Convert to fraction form
    317,181.66/437,670.37 = 181,224.42/x
  3. Step 3: Cross multiply
    317,181.66x = 437,670.37 × 181,224.42
  4. Step 4: Simplify right side
    317,181.66x = 79,316,558,954.44
  5. Step 5: Solve for x
    x = 79,316,558,954.44/317,181.66
  6. Step 6: Final answer
    x = 250,066.66

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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.