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Finding the Fourth Proportional to 348,284.88, 522,502.49 and 108,394.06

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Solution

The fourth proportional to 348,284.88, 522,502.49 and 108,394.06 is: 162,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,284.88 : 522,502.49 = 108,394.06 : x
  2. Step 2: Convert to fraction form
    348,284.88/522,502.49 = 108,394.06/x
  3. Step 3: Cross multiply
    348,284.88x = 522,502.49 × 108,394.06
  4. Step 4: Simplify right side
    348,284.88x = 56,636,166,251.21
  5. Step 5: Solve for x
    x = 56,636,166,251.21/348,284.88
  6. Step 6: Final answer
    x = 162,614.48

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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.