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Finding the Fourth Proportional to 341,632.46, 471,417.90 and 198,422.84

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Solution

The fourth proportional to 341,632.46, 471,417.90 and 198,422.84 is: 273,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,632.46 : 471,417.90 = 198,422.84 : x
  2. Step 2: Convert to fraction form
    341,632.46/471,417.90 = 198,422.84/x
  3. Step 3: Cross multiply
    341,632.46x = 471,417.90 × 198,422.84
  4. Step 4: Simplify right side
    341,632.46x = 93,540,078,544.84
  5. Step 5: Solve for x
    x = 93,540,078,544.84/341,632.46
  6. Step 6: Final answer
    x = 273,803.25

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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.