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Finding the Fourth Proportional to 247,455.91, 341,496.74 and 145,462.66

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Solution

The fourth proportional to 247,455.91, 341,496.74 and 145,462.66 is: 200,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,455.91 : 341,496.74 = 145,462.66 : x
  2. Step 2: Convert to fraction form
    247,455.91/341,496.74 = 145,462.66/x
  3. Step 3: Cross multiply
    247,455.91x = 341,496.74 × 145,462.66
  4. Step 4: Simplify right side
    247,455.91x = 49,675,024,181.73
  5. Step 5: Solve for x
    x = 49,675,024,181.73/247,455.91
  6. Step 6: Final answer
    x = 200,742.93

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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.