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Finding the Fourth Proportional to 662,348.64, 993,593.70 and 283,308.60

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Solution

The fourth proportional to 662,348.64, 993,593.70 and 283,308.60 is: 424,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,348.64 : 993,593.70 = 283,308.60 : x
  2. Step 2: Convert to fraction form
    662,348.64/993,593.70 = 283,308.60/x
  3. Step 3: Cross multiply
    662,348.64x = 993,593.70 × 283,308.60
  4. Step 4: Simplify right side
    662,348.64x = 281,493,640,115.82
  5. Step 5: Solve for x
    x = 281,493,640,115.82/662,348.64
  6. Step 6: Final answer
    x = 424,993.16

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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.