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Finding the Fourth Proportional to 558,841.50, 771,084.54 and 365,532.48

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Solution

The fourth proportional to 558,841.50, 771,084.54 and 365,532.48 is: 504,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,841.50 : 771,084.54 = 365,532.48 : x
  2. Step 2: Convert to fraction form
    558,841.50/771,084.54 = 365,532.48/x
  3. Step 3: Cross multiply
    558,841.50x = 771,084.54 × 365,532.48
  4. Step 4: Simplify right side
    558,841.50x = 281,856,444,195.86
  5. Step 5: Solve for x
    x = 281,856,444,195.86/558,841.50
  6. Step 6: Final answer
    x = 504,358.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.