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Finding the Fourth Proportional to 450,811.92, 676,466.90 and 251,244.78

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Solution

The fourth proportional to 450,811.92, 676,466.90 and 251,244.78 is: 377,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,811.92 : 676,466.90 = 251,244.78 : x
  2. Step 2: Convert to fraction form
    450,811.92/676,466.90 = 251,244.78/x
  3. Step 3: Cross multiply
    450,811.92x = 676,466.90 × 251,244.78
  4. Step 4: Simplify right side
    450,811.92x = 169,958,778,095.89
  5. Step 5: Solve for x
    x = 169,958,778,095.89/450,811.92
  6. Step 6: Final answer
    x = 377,005.95

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1.5x scale

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.