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Finding the Fourth Proportional to 300,632.04, 450,932.27 and 100,956.51

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Solution

The fourth proportional to 300,632.04, 450,932.27 and 100,956.51 is: 151,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,632.04 : 450,932.27 = 100,956.51 : x
  2. Step 2: Convert to fraction form
    300,632.04/450,932.27 = 100,956.51/x
  3. Step 3: Cross multiply
    300,632.04x = 450,932.27 × 100,956.51
  4. Step 4: Simplify right side
    300,632.04x = 45,524,547,720.80
  5. Step 5: Solve for x
    x = 45,524,547,720.80/300,632.04
  6. Step 6: Final answer
    x = 151,429.46

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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.