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Finding the Fourth Proportional to 362,513.90, 543,981.50 and 149,303.27

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Solution

The fourth proportional to 362,513.90, 543,981.50 and 149,303.27 is: 224,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,513.90 : 543,981.50 = 149,303.27 : x
  2. Step 2: Convert to fraction form
    362,513.90/543,981.50 = 149,303.27/x
  3. Step 3: Cross multiply
    362,513.90x = 543,981.50 × 149,303.27
  4. Step 4: Simplify right side
    362,513.90x = 81,218,213,303.08
  5. Step 5: Solve for x
    x = 81,218,213,303.08/362,513.90
  6. Step 6: Final answer
    x = 224,041.66

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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.