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Finding the Fourth Proportional to 491,702.40, 737,456.40 and 238,982.40

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Solution

The fourth proportional to 491,702.40, 737,456.40 and 238,982.40 is: 358,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,702.40 : 737,456.40 = 238,982.40 : x
  2. Step 2: Convert to fraction form
    491,702.40/737,456.40 = 238,982.40/x
  3. Step 3: Cross multiply
    491,702.40x = 737,456.40 × 238,982.40
  4. Step 4: Simplify right side
    491,702.40x = 176,239,100,367.36
  5. Step 5: Solve for x
    x = 176,239,100,367.36/491,702.40
  6. Step 6: Final answer
    x = 358,426.36

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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.