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Finding the Fourth Proportional to 488,331.60, 732,427.20 and 188,953.44

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Solution

The fourth proportional to 488,331.60, 732,427.20 and 188,953.44 is: 283,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,331.60 : 732,427.20 = 188,953.44 : x
  2. Step 2: Convert to fraction form
    488,331.60/732,427.20 = 188,953.44/x
  3. Step 3: Cross multiply
    488,331.60x = 732,427.20 × 188,953.44
  4. Step 4: Simplify right side
    488,331.60x = 138,394,638,989.57
  5. Step 5: Solve for x
    x = 138,394,638,989.57/488,331.60
  6. Step 6: Final answer
    x = 283,403.00

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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.