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Finding the Fourth Proportional to 440,223.40, 660,140.70 and 173,895.40

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Solution

The fourth proportional to 440,223.40, 660,140.70 and 173,895.40 is: 260,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,223.40 : 660,140.70 = 173,895.40 : x
  2. Step 2: Convert to fraction form
    440,223.40/660,140.70 = 173,895.40/x
  3. Step 3: Cross multiply
    440,223.40x = 660,140.70 × 173,895.40
  4. Step 4: Simplify right side
    440,223.40x = 114,795,431,082.78
  5. Step 5: Solve for x
    x = 114,795,431,082.78/440,223.40
  6. Step 6: Final answer
    x = 260,766.31

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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.