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Finding the Fourth Proportional to 440,329.72, 660,046.26 and 173,724.28

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Solution

The fourth proportional to 440,329.72, 660,046.26 and 173,724.28 is: 260,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,329.72 : 660,046.26 = 173,724.28 : x
  2. Step 2: Convert to fraction form
    440,329.72/660,046.26 = 173,724.28/x
  3. Step 3: Cross multiply
    440,329.72x = 660,046.26 × 173,724.28
  4. Step 4: Simplify right side
    440,329.72x = 114,666,061,285.19
  5. Step 5: Solve for x
    x = 114,666,061,285.19/440,329.72
  6. Step 6: Final answer
    x = 260,409.54

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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.