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Finding the Fourth Proportional to 358,049.96, 494,070.66 and 207,118.76

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Solution

The fourth proportional to 358,049.96, 494,070.66 and 207,118.76 is: 285,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.96 : 494,070.66 = 207,118.76 : x
  2. Step 2: Convert to fraction form
    358,049.96/494,070.66 = 207,118.76/x
  3. Step 3: Cross multiply
    358,049.96x = 494,070.66 × 207,118.76
  4. Step 4: Simplify right side
    358,049.96x = 102,331,302,451.58
  5. Step 5: Solve for x
    x = 102,331,302,451.58/358,049.96
  6. Step 6: Final answer
    x = 285,801.74

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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.