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Finding the Fourth Proportional to 341,432.86, 471,336.79 and 198,165.22

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Solution

The fourth proportional to 341,432.86, 471,336.79 and 198,165.22 is: 273,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,432.86 : 471,336.79 = 198,165.22 : x
  2. Step 2: Convert to fraction form
    341,432.86/471,336.79 = 198,165.22/x
  3. Step 3: Cross multiply
    341,432.86x = 471,336.79 × 198,165.22
  4. Step 4: Simplify right side
    341,432.86x = 93,402,558,684.44
  5. Step 5: Solve for x
    x = 93,402,558,684.44/341,432.86
  6. Step 6: Final answer
    x = 273,560.54

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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.