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Finding the Fourth Proportional to 368,370.60, 552,556.12 and 115,649.98

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Solution

The fourth proportional to 368,370.60, 552,556.12 and 115,649.98 is: 173,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,370.60 : 552,556.12 = 115,649.98 : x
  2. Step 2: Convert to fraction form
    368,370.60/552,556.12 = 115,649.98/x
  3. Step 3: Cross multiply
    368,370.60x = 552,556.12 × 115,649.98
  4. Step 4: Simplify right side
    368,370.60x = 63,903,104,226.88
  5. Step 5: Solve for x
    x = 63,903,104,226.88/368,370.60
  6. Step 6: Final answer
    x = 173,475.04

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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.