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Finding the Fourth Proportional to 305,836.44, 457,932.42 and 249,443.88

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Solution

The fourth proportional to 305,836.44, 457,932.42 and 249,443.88 is: 373,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,836.44 : 457,932.42 = 249,443.88 : x
  2. Step 2: Convert to fraction form
    305,836.44/457,932.42 = 249,443.88/x
  3. Step 3: Cross multiply
    305,836.44x = 457,932.42 × 249,443.88
  4. Step 4: Simplify right side
    305,836.44x = 114,228,439,622.59
  5. Step 5: Solve for x
    x = 114,228,439,622.59/305,836.44
  6. Step 6: Final answer
    x = 373,495.19

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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.