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Finding the Fourth Proportional to 376,070.37, 563,575.20 and 207,666.51

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Solution

The fourth proportional to 376,070.37, 563,575.20 and 207,666.51 is: 311,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,070.37 : 563,575.20 = 207,666.51 : x
  2. Step 2: Convert to fraction form
    376,070.37/563,575.20 = 207,666.51/x
  3. Step 3: Cross multiply
    376,070.37x = 563,575.20 × 207,666.51
  4. Step 4: Simplify right side
    376,070.37x = 117,035,694,906.55
  5. Step 5: Solve for x
    x = 117,035,694,906.55/376,070.37
  6. Step 6: Final answer
    x = 311,206.90

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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.