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Finding the Fourth Proportional to 256,273.36, 384,410.04 and 116,028.88

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Solution

The fourth proportional to 256,273.36, 384,410.04 and 116,028.88 is: 174,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,273.36 : 384,410.04 = 116,028.88 : x
  2. Step 2: Convert to fraction form
    256,273.36/384,410.04 = 116,028.88/x
  3. Step 3: Cross multiply
    256,273.36x = 384,410.04 × 116,028.88
  4. Step 4: Simplify right side
    256,273.36x = 44,602,666,401.96
  5. Step 5: Solve for x
    x = 44,602,666,401.96/256,273.36
  6. Step 6: Final answer
    x = 174,043.32

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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.