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Finding the Fourth Proportional to 377,466.13, 520,906.90 and 207,703.90

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Solution

The fourth proportional to 377,466.13, 520,906.90 and 207,703.90 is: 286,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,466.13 : 520,906.90 = 207,703.90 : x
  2. Step 2: Convert to fraction form
    377,466.13/520,906.90 = 207,703.90/x
  3. Step 3: Cross multiply
    377,466.13x = 520,906.90 × 207,703.90
  4. Step 4: Simplify right side
    377,466.13x = 108,194,392,062.38
  5. Step 5: Solve for x
    x = 108,194,392,062.38/377,466.13
  6. Step 6: Final answer
    x = 286,633.38

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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.