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Finding the Fourth Proportional to 374,882.89, 517,336.84 and 202,800.45

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Solution

The fourth proportional to 374,882.89, 517,336.84 and 202,800.45 is: 279,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,882.89 : 517,336.84 = 202,800.45 : x
  2. Step 2: Convert to fraction form
    374,882.89/517,336.84 = 202,800.45/x
  3. Step 3: Cross multiply
    374,882.89x = 517,336.84 × 202,800.45
  4. Step 4: Simplify right side
    374,882.89x = 104,916,143,953.58
  5. Step 5: Solve for x
    x = 104,916,143,953.58/374,882.89
  6. Step 6: Final answer
    x = 279,863.78

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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.