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Finding the Fourth Proportional to 377,149.99, 520,466.96 and 207,384.11

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Solution

The fourth proportional to 377,149.99, 520,466.96 and 207,384.11 is: 286,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,149.99 : 520,466.96 = 207,384.11 : x
  2. Step 2: Convert to fraction form
    377,149.99/520,466.96 = 207,384.11/x
  3. Step 3: Cross multiply
    377,149.99x = 520,466.96 × 207,384.11
  4. Step 4: Simplify right side
    377,149.99x = 107,936,577,284.01
  5. Step 5: Solve for x
    x = 107,936,577,284.01/377,149.99
  6. Step 6: Final answer
    x = 286,190.06

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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.