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Finding the Fourth Proportional to 362,688.80, 544,032.40 and 96,449.36

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Solution

The fourth proportional to 362,688.80, 544,032.40 and 96,449.36 is: 144,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,688.80 : 544,032.40 = 96,449.36 : x
  2. Step 2: Convert to fraction form
    362,688.80/544,032.40 = 96,449.36/x
  3. Step 3: Cross multiply
    362,688.80x = 544,032.40 × 96,449.36
  4. Step 4: Simplify right side
    362,688.80x = 52,471,576,799.26
  5. Step 5: Solve for x
    x = 52,471,576,799.26/362,688.80
  6. Step 6: Final answer
    x = 144,673.83

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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.