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Finding the Fourth Proportional to 358,017.96, 494,026.50 and 207,086.76

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Solution

The fourth proportional to 358,017.96, 494,026.50 and 207,086.76 is: 285,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,017.96 : 494,026.50 = 207,086.76 : x
  2. Step 2: Convert to fraction form
    358,017.96/494,026.50 = 207,086.76/x
  3. Step 3: Cross multiply
    358,017.96x = 494,026.50 × 207,086.76
  4. Step 4: Simplify right side
    358,017.96x = 102,306,347,239.14
  5. Step 5: Solve for x
    x = 102,306,347,239.14/358,017.96
  6. Step 6: Final answer
    x = 285,757.58

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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.