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Finding the Fourth Proportional to 546,302.70, 819,822.19 and 191,319.79

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Solution

The fourth proportional to 546,302.70, 819,822.19 and 191,319.79 is: 287,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,302.70 : 819,822.19 = 191,319.79 : x
  2. Step 2: Convert to fraction form
    546,302.70/819,822.19 = 191,319.79/x
  3. Step 3: Cross multiply
    546,302.70x = 819,822.19 × 191,319.79
  4. Step 4: Simplify right side
    546,302.70x = 156,848,209,228.14
  5. Step 5: Solve for x
    x = 156,848,209,228.14/546,302.70
  6. Step 6: Final answer
    x = 287,108.61

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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.