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Finding the Fourth Proportional to 574,039.56, 792,284.24 and 380,105.40

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Solution

The fourth proportional to 574,039.56, 792,284.24 and 380,105.40 is: 524,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,039.56 : 792,284.24 = 380,105.40 : x
  2. Step 2: Convert to fraction form
    574,039.56/792,284.24 = 380,105.40/x
  3. Step 3: Cross multiply
    574,039.56x = 792,284.24 × 380,105.40
  4. Step 4: Simplify right side
    574,039.56x = 301,151,517,958.90
  5. Step 5: Solve for x
    x = 301,151,517,958.90/574,039.56
  6. Step 6: Final answer
    x = 524,618.06

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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.