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Finding the Fourth Proportional to 341,391.84, 471,280.14 and 198,124.20

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Solution

The fourth proportional to 341,391.84, 471,280.14 and 198,124.20 is: 273,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,391.84 : 471,280.14 = 198,124.20 : x
  2. Step 2: Convert to fraction form
    341,391.84/471,280.14 = 198,124.20/x
  3. Step 3: Cross multiply
    341,391.84x = 471,280.14 × 198,124.20
  4. Step 4: Simplify right side
    341,391.84x = 93,372,000,713.39
  5. Step 5: Solve for x
    x = 93,372,000,713.39/341,391.84
  6. Step 6: Final answer
    x = 273,503.90

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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.