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Finding the Fourth Proportional to 259,426.72, 358,004.10 and 146,249.56

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Solution

The fourth proportional to 259,426.72, 358,004.10 and 146,249.56 is: 201,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,426.72 : 358,004.10 = 146,249.56 : x
  2. Step 2: Convert to fraction form
    259,426.72/358,004.10 = 146,249.56/x
  3. Step 3: Cross multiply
    259,426.72x = 358,004.10 × 146,249.56
  4. Step 4: Simplify right side
    259,426.72x = 52,357,942,103.20
  5. Step 5: Solve for x
    x = 52,357,942,103.20/259,426.72
  6. Step 6: Final answer
    x = 201,821.70

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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.