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Finding the Fourth Proportional to 375,302.15, 517,953.90 and 214,181.42

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Solution

The fourth proportional to 375,302.15, 517,953.90 and 214,181.42 is: 295,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,302.15 : 517,953.90 = 214,181.42 : x
  2. Step 2: Convert to fraction form
    375,302.15/517,953.90 = 214,181.42/x
  3. Step 3: Cross multiply
    375,302.15x = 517,953.90 × 214,181.42
  4. Step 4: Simplify right side
    375,302.15x = 110,936,099,206.77
  5. Step 5: Solve for x
    x = 110,936,099,206.77/375,302.15
  6. Step 6: Final answer
    x = 295,591.43

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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.