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Finding the Fourth Proportional to 344,625.84, 516,838.32 and 134,213.76

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Solution

The fourth proportional to 344,625.84, 516,838.32 and 134,213.76 is: 201,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,625.84 : 516,838.32 = 134,213.76 : x
  2. Step 2: Convert to fraction form
    344,625.84/516,838.32 = 134,213.76/x
  3. Step 3: Cross multiply
    344,625.84x = 516,838.32 × 134,213.76
  4. Step 4: Simplify right side
    344,625.84x = 69,366,814,239.28
  5. Step 5: Solve for x
    x = 69,366,814,239.28/344,625.84
  6. Step 6: Final answer
    x = 201,281.52

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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.