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Finding the Fourth Proportional to 368,407.17, 552,610.76 and 131,735.50

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Solution

The fourth proportional to 368,407.17, 552,610.76 and 131,735.50 is: 197,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,407.17 : 552,610.76 = 131,735.50 : x
  2. Step 2: Convert to fraction form
    368,407.17/552,610.76 = 131,735.50/x
  3. Step 3: Cross multiply
    368,407.17x = 552,610.76 × 131,735.50
  4. Step 4: Simplify right side
    368,407.17x = 72,798,452,733.78
  5. Step 5: Solve for x
    x = 72,798,452,733.78/368,407.17
  6. Step 6: Final answer
    x = 197,603.25

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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.