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Finding the Fourth Proportional to 301,421.15, 452,215.72 and 245,786.61

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Solution

The fourth proportional to 301,421.15, 452,215.72 and 245,786.61 is: 368,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,421.15 : 452,215.72 = 245,786.61 : x
  2. Step 2: Convert to fraction form
    301,421.15/452,215.72 = 245,786.61/x
  3. Step 3: Cross multiply
    301,421.15x = 452,215.72 × 245,786.61
  4. Step 4: Simplify right side
    301,421.15x = 111,148,568,807.51
  5. Step 5: Solve for x
    x = 111,148,568,807.51/301,421.15
  6. Step 6: Final answer
    x = 368,748.41

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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.