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Finding the Fourth Proportional to 362,345.46, 543,388.86 and 149,051.04

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Solution

The fourth proportional to 362,345.46, 543,388.86 and 149,051.04 is: 223,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,345.46 : 543,388.86 = 149,051.04 : x
  2. Step 2: Convert to fraction form
    362,345.46/543,388.86 = 149,051.04/x
  3. Step 3: Cross multiply
    362,345.46x = 543,388.86 × 149,051.04
  4. Step 4: Simplify right side
    362,345.46x = 80,992,674,707.41
  5. Step 5: Solve for x
    x = 80,992,674,707.41/362,345.46
  6. Step 6: Final answer
    x = 223,523.36

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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.