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Finding the Fourth Proportional to 357,833.98, 493,800.87 and 196,689.34

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Solution

The fourth proportional to 357,833.98, 493,800.87 and 196,689.34 is: 271,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,833.98 : 493,800.87 = 196,689.34 : x
  2. Step 2: Convert to fraction form
    357,833.98/493,800.87 = 196,689.34/x
  3. Step 3: Cross multiply
    357,833.98x = 493,800.87 × 196,689.34
  4. Step 4: Simplify right side
    357,833.98x = 97,125,367,211.73
  5. Step 5: Solve for x
    x = 97,125,367,211.73/357,833.98
  6. Step 6: Final answer
    x = 271,425.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.