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Finding the Fourth Proportional to 441,353.81, 662,129.13 and 160,871.06

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Solution

The fourth proportional to 441,353.81, 662,129.13 and 160,871.06 is: 241,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,353.81 : 662,129.13 = 160,871.06 : x
  2. Step 2: Convert to fraction form
    441,353.81/662,129.13 = 160,871.06/x
  3. Step 3: Cross multiply
    441,353.81x = 662,129.13 × 160,871.06
  4. Step 4: Simplify right side
    441,353.81x = 106,517,417,258.57
  5. Step 5: Solve for x
    x = 106,517,417,258.57/441,353.81
  6. Step 6: Final answer
    x = 241,342.47

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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.