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Finding the Fourth Proportional to 362,812.10, 543,764.55 and 185,389.70

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Solution

The fourth proportional to 362,812.10, 543,764.55 and 185,389.70 is: 277,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,812.10 : 543,764.55 = 185,389.70 : x
  2. Step 2: Convert to fraction form
    362,812.10/543,764.55 = 185,389.70/x
  3. Step 3: Cross multiply
    362,812.10x = 543,764.55 × 185,389.70
  4. Step 4: Simplify right side
    362,812.10x = 100,808,346,795.14
  5. Step 5: Solve for x
    x = 100,808,346,795.14/362,812.10
  6. Step 6: Final answer
    x = 277,852.77

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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.