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Finding the Fourth Proportional to 441,538.68, 662,406.75 and 161,055.93

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Solution

The fourth proportional to 441,538.68, 662,406.75 and 161,055.93 is: 241,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,538.68 : 662,406.75 = 161,055.93 : x
  2. Step 2: Convert to fraction form
    441,538.68/662,406.75 = 161,055.93/x
  3. Step 3: Cross multiply
    441,538.68x = 662,406.75 × 161,055.93
  4. Step 4: Simplify right side
    441,538.68x = 106,684,535,159.53
  5. Step 5: Solve for x
    x = 106,684,535,159.53/441,538.68
  6. Step 6: Final answer
    x = 241,619.91

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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.