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Finding the Fourth Proportional to 440,324.94, 660,279.12 and 170,579.40

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Solution

The fourth proportional to 440,324.94, 660,279.12 and 170,579.40 is: 255,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,324.94 : 660,279.12 = 170,579.40 : x
  2. Step 2: Convert to fraction form
    440,324.94/660,279.12 = 170,579.40/x
  3. Step 3: Cross multiply
    440,324.94x = 660,279.12 × 170,579.40
  4. Step 4: Simplify right side
    440,324.94x = 112,630,016,122.13
  5. Step 5: Solve for x
    x = 112,630,016,122.13/440,324.94
  6. Step 6: Final answer
    x = 255,788.41

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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.