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Finding the Fourth Proportional to 508,507.73, 762,884.91 and 153,500.54

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Solution

The fourth proportional to 508,507.73, 762,884.91 and 153,500.54 is: 230,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,507.73 : 762,884.91 = 153,500.54 : x
  2. Step 2: Convert to fraction form
    508,507.73/762,884.91 = 153,500.54/x
  3. Step 3: Cross multiply
    508,507.73x = 762,884.91 × 153,500.54
  4. Step 4: Simplify right side
    508,507.73x = 117,103,245,642.85
  5. Step 5: Solve for x
    x = 117,103,245,642.85/508,507.73
  6. Step 6: Final answer
    x = 230,288.03

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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.