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Finding the Fourth Proportional to 965,702.70, 1,449,072.45 and 404,793.90

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Solution

The fourth proportional to 965,702.70, 1,449,072.45 and 404,793.90 is: 607,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,702.70 : 1,449,072.45 = 404,793.90 : x
  2. Step 2: Convert to fraction form
    965,702.70/1,449,072.45 = 404,793.90/x
  3. Step 3: Cross multiply
    965,702.70x = 1,449,072.45 × 404,793.90
  4. Step 4: Simplify right side
    965,702.70x = 586,575,688,418.06
  5. Step 5: Solve for x
    x = 586,575,688,418.06/965,702.70
  6. Step 6: Final answer
    x = 607,408.15

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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.