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Finding the Fourth Proportional to 341,353.72, 471,040.14 and 190,447.48

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Solution

The fourth proportional to 341,353.72, 471,040.14 and 190,447.48 is: 262,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,353.72 : 471,040.14 = 190,447.48 : x
  2. Step 2: Convert to fraction form
    341,353.72/471,040.14 = 190,447.48/x
  3. Step 3: Cross multiply
    341,353.72x = 471,040.14 × 190,447.48
  4. Step 4: Simplify right side
    341,353.72x = 89,708,407,641.85
  5. Step 5: Solve for x
    x = 89,708,407,641.85/341,353.72
  6. Step 6: Final answer
    x = 262,801.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.