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Finding the Fourth Proportional to 388,836.26, 583,254.40 and 93,348.26

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Solution

The fourth proportional to 388,836.26, 583,254.40 and 93,348.26 is: 140,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,836.26 : 583,254.40 = 93,348.26 : x
  2. Step 2: Convert to fraction form
    388,836.26/583,254.40 = 93,348.26/x
  3. Step 3: Cross multiply
    388,836.26x = 583,254.40 × 93,348.26
  4. Step 4: Simplify right side
    388,836.26x = 54,445,783,377.34
  5. Step 5: Solve for x
    x = 54,445,783,377.34/388,836.26
  6. Step 6: Final answer
    x = 140,022.39

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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.