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Finding the Fourth Proportional to 440,093.72, 660,358.92 and 174,045.08

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Solution

The fourth proportional to 440,093.72, 660,358.92 and 174,045.08 is: 261,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,093.72 : 660,358.92 = 174,045.08 : x
  2. Step 2: Convert to fraction form
    440,093.72/660,358.92 = 174,045.08/x
  3. Step 3: Cross multiply
    440,093.72x = 660,358.92 × 174,045.08
  4. Step 4: Simplify right side
    440,093.72x = 114,932,221,060.11
  5. Step 5: Solve for x
    x = 114,932,221,060.11/440,093.72
  6. Step 6: Final answer
    x = 261,153.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.