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Finding the Fourth Proportional to 297,840.14, 411,079.17 and 176,958.15

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Solution

The fourth proportional to 297,840.14, 411,079.17 and 176,958.15 is: 244,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,840.14 : 411,079.17 = 176,958.15 : x
  2. Step 2: Convert to fraction form
    297,840.14/411,079.17 = 176,958.15/x
  3. Step 3: Cross multiply
    297,840.14x = 411,079.17 × 176,958.15
  4. Step 4: Simplify right side
    297,840.14x = 72,743,809,426.74
  5. Step 5: Solve for x
    x = 72,743,809,426.74/297,840.14
  6. Step 6: Final answer
    x = 244,237.77

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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.