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Finding the Fourth Proportional to 546,061.92, 819,037.50 and 146,650.79

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Solution

The fourth proportional to 546,061.92, 819,037.50 and 146,650.79 is: 219,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,061.92 : 819,037.50 = 146,650.79 : x
  2. Step 2: Convert to fraction form
    546,061.92/819,037.50 = 146,650.79/x
  3. Step 3: Cross multiply
    546,061.92x = 819,037.50 × 146,650.79
  4. Step 4: Simplify right side
    546,061.92x = 120,112,492,319.44
  5. Step 5: Solve for x
    x = 120,112,492,319.44/546,061.92
  6. Step 6: Final answer
    x = 219,961.30

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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.