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Finding the Fourth Proportional to 338,311.96, 466,388.22 and 242,788.12

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Solution

The fourth proportional to 338,311.96, 466,388.22 and 242,788.12 is: 334,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,311.96 : 466,388.22 = 242,788.12 : x
  2. Step 2: Convert to fraction form
    338,311.96/466,388.22 = 242,788.12/x
  3. Step 3: Cross multiply
    338,311.96x = 466,388.22 × 242,788.12
  4. Step 4: Simplify right side
    338,311.96x = 113,233,519,123.95
  5. Step 5: Solve for x
    x = 113,233,519,123.95/338,311.96
  6. Step 6: Final answer
    x = 334,701.50

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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.