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Finding the Fourth Proportional to 338,445.84, 507,499.72 and 110,711.73

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Solution

The fourth proportional to 338,445.84, 507,499.72 and 110,711.73 is: 166,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,445.84 : 507,499.72 = 110,711.73 : x
  2. Step 2: Convert to fraction form
    338,445.84/507,499.72 = 110,711.73/x
  3. Step 3: Cross multiply
    338,445.84x = 507,499.72 × 110,711.73
  4. Step 4: Simplify right side
    338,445.84x = 56,186,171,698.94
  5. Step 5: Solve for x
    x = 56,186,171,698.94/338,445.84
  6. Step 6: Final answer
    x = 166,012.30

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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.