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Finding the Fourth Proportional to 376,187.27, 563,317.47 and 207,520.11

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Solution

The fourth proportional to 376,187.27, 563,317.47 and 207,520.11 is: 310,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,187.27 : 563,317.47 = 207,520.11 : x
  2. Step 2: Convert to fraction form
    376,187.27/563,317.47 = 207,520.11/x
  3. Step 3: Cross multiply
    376,187.27x = 563,317.47 × 207,520.11
  4. Step 4: Simplify right side
    376,187.27x = 116,899,703,339.32
  5. Step 5: Solve for x
    x = 116,899,703,339.32/376,187.27
  6. Step 6: Final answer
    x = 310,748.70

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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.