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Finding the Fourth Proportional to 474,651.54, 655,014.08 and 256,855.41

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Solution

The fourth proportional to 474,651.54, 655,014.08 and 256,855.41 is: 354,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,651.54 : 655,014.08 = 256,855.41 : x
  2. Step 2: Convert to fraction form
    474,651.54/655,014.08 = 256,855.41/x
  3. Step 3: Cross multiply
    474,651.54x = 655,014.08 × 256,855.41
  4. Step 4: Simplify right side
    474,651.54x = 168,243,910,716.31
  5. Step 5: Solve for x
    x = 168,243,910,716.31/474,651.54
  6. Step 6: Final answer
    x = 354,457.74

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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.