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Finding the Fourth Proportional to 271,410.96, 407,752.67 and 256,073.81

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Solution

The fourth proportional to 271,410.96, 407,752.67 and 256,073.81 is: 384,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,410.96 : 407,752.67 = 256,073.81 : x
  2. Step 2: Convert to fraction form
    271,410.96/407,752.67 = 256,073.81/x
  3. Step 3: Cross multiply
    271,410.96x = 407,752.67 × 256,073.81
  4. Step 4: Simplify right side
    271,410.96x = 104,414,779,483.59
  5. Step 5: Solve for x
    x = 104,414,779,483.59/271,410.96
  6. Step 6: Final answer
    x = 384,710.99

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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.