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Finding the Fourth Proportional to 321,937.99, 444,294.59 and 178,700.42

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Solution

The fourth proportional to 321,937.99, 444,294.59 and 178,700.42 is: 246,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,937.99 : 444,294.59 = 178,700.42 : x
  2. Step 2: Convert to fraction form
    321,937.99/444,294.59 = 178,700.42/x
  3. Step 3: Cross multiply
    321,937.99x = 444,294.59 × 178,700.42
  4. Step 4: Simplify right side
    321,937.99x = 79,395,630,053.96
  5. Step 5: Solve for x
    x = 79,395,630,053.96/321,937.99
  6. Step 6: Final answer
    x = 246,617.77

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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.