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Finding the Fourth Proportional to 301,420.15, 452,214.22 and 245,785.61

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Solution

The fourth proportional to 301,420.15, 452,214.22 and 245,785.61 is: 368,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,420.15 : 452,214.22 = 245,785.61 : x
  2. Step 2: Convert to fraction form
    301,420.15/452,214.22 = 245,785.61/x
  3. Step 3: Cross multiply
    301,420.15x = 452,214.22 × 245,785.61
  4. Step 4: Simplify right side
    301,420.15x = 111,147,747,913.37
  5. Step 5: Solve for x
    x = 111,147,747,913.37/301,420.15
  6. Step 6: Final answer
    x = 368,746.91

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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.