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Finding the Fourth Proportional to 546,063.46, 819,119.77 and 209,016.69

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Solution

The fourth proportional to 546,063.46, 819,119.77 and 209,016.69 is: 313,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,063.46 : 819,119.77 = 209,016.69 : x
  2. Step 2: Convert to fraction form
    546,063.46/819,119.77 = 209,016.69/x
  3. Step 3: Cross multiply
    546,063.46x = 819,119.77 × 209,016.69
  4. Step 4: Simplify right side
    546,063.46x = 171,209,703,038.96
  5. Step 5: Solve for x
    x = 171,209,703,038.96/546,063.46
  6. Step 6: Final answer
    x = 313,534.44

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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.