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Finding the Fourth Proportional to 310,081.80, 464,679.90 and 176,680.20

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Solution

The fourth proportional to 310,081.80, 464,679.90 and 176,680.20 is: 264,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,081.80 : 464,679.90 = 176,680.20 : x
  2. Step 2: Convert to fraction form
    310,081.80/464,679.90 = 176,680.20/x
  3. Step 3: Cross multiply
    310,081.80x = 464,679.90 × 176,680.20
  4. Step 4: Simplify right side
    310,081.80x = 82,099,737,667.98
  5. Step 5: Solve for x
    x = 82,099,737,667.98/310,081.80
  6. Step 6: Final answer
    x = 264,768.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.