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Finding the Fourth Proportional to 410,703.14, 616,113.09 and 126,417.39

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Solution

The fourth proportional to 410,703.14, 616,113.09 and 126,417.39 is: 189,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,703.14 : 616,113.09 = 126,417.39 : x
  2. Step 2: Convert to fraction form
    410,703.14/616,113.09 = 126,417.39/x
  3. Step 3: Cross multiply
    410,703.14x = 616,113.09 × 126,417.39
  4. Step 4: Simplify right side
    410,703.14x = 77,887,408,782.64
  5. Step 5: Solve for x
    x = 77,887,408,782.64/410,703.14
  6. Step 6: Final answer
    x = 189,644.06

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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.