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Finding the Fourth Proportional to 481,639.68, 722,926.08 and 232,496.64

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Solution

The fourth proportional to 481,639.68, 722,926.08 and 232,496.64 is: 348,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,639.68 : 722,926.08 = 232,496.64 : x
  2. Step 2: Convert to fraction form
    481,639.68/722,926.08 = 232,496.64/x
  3. Step 3: Cross multiply
    481,639.68x = 722,926.08 × 232,496.64
  4. Step 4: Simplify right side
    481,639.68x = 168,077,884,568.37
  5. Step 5: Solve for x
    x = 168,077,884,568.37/481,639.68
  6. Step 6: Final answer
    x = 348,970.18

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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.