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Finding the Fourth Proportional to 328,085.82, 492,434.88 and 168,281.73

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Solution

The fourth proportional to 328,085.82, 492,434.88 and 168,281.73 is: 252,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,085.82 : 492,434.88 = 168,281.73 : x
  2. Step 2: Convert to fraction form
    328,085.82/492,434.88 = 168,281.73/x
  3. Step 3: Cross multiply
    328,085.82x = 492,434.88 × 168,281.73
  4. Step 4: Simplify right side
    328,085.82x = 82,867,793,518.74
  5. Step 5: Solve for x
    x = 82,867,793,518.74/328,085.82
  6. Step 6: Final answer
    x = 252,579.63

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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.