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Finding the Fourth Proportional to 377,466.59, 520,888.28 and 205,385.27

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Solution

The fourth proportional to 377,466.59, 520,888.28 and 205,385.27 is: 283,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,466.59 : 520,888.28 = 205,385.27 : x
  2. Step 2: Convert to fraction form
    377,466.59/520,888.28 = 205,385.27/x
  3. Step 3: Cross multiply
    377,466.59x = 520,888.28 × 205,385.27
  4. Step 4: Simplify right side
    377,466.59x = 106,982,776,396.27
  5. Step 5: Solve for x
    x = 106,982,776,396.27/377,466.59
  6. Step 6: Final answer
    x = 283,423.17

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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.