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Finding the Fourth Proportional to 543,927.60, 816,064.20 and 244,292.40

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Solution

The fourth proportional to 543,927.60, 816,064.20 and 244,292.40 is: 366,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,927.60 : 816,064.20 = 244,292.40 : x
  2. Step 2: Convert to fraction form
    543,927.60/816,064.20 = 244,292.40/x
  3. Step 3: Cross multiply
    543,927.60x = 816,064.20 × 244,292.40
  4. Step 4: Simplify right side
    543,927.60x = 199,358,281,972.08
  5. Step 5: Solve for x
    x = 199,358,281,972.08/543,927.60
  6. Step 6: Final answer
    x = 366,516.21

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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.