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Finding the Fourth Proportional to 504,631.76, 757,069.36 and 189,091.44

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Solution

The fourth proportional to 504,631.76, 757,069.36 and 189,091.44 is: 283,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,631.76 : 757,069.36 = 189,091.44 : x
  2. Step 2: Convert to fraction form
    504,631.76/757,069.36 = 189,091.44/x
  3. Step 3: Cross multiply
    504,631.76x = 757,069.36 × 189,091.44
  4. Step 4: Simplify right side
    504,631.76x = 143,155,335,462.28
  5. Step 5: Solve for x
    x = 143,155,335,462.28/504,631.76
  6. Step 6: Final answer
    x = 283,682.77

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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.