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Finding the Fourth Proportional to 429,644.64, 644,716.62 and 176,950.56

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Solution

The fourth proportional to 429,644.64, 644,716.62 and 176,950.56 is: 265,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,644.64 : 644,716.62 = 176,950.56 : x
  2. Step 2: Convert to fraction form
    429,644.64/644,716.62 = 176,950.56/x
  3. Step 3: Cross multiply
    429,644.64x = 644,716.62 × 176,950.56
  4. Step 4: Simplify right side
    429,644.64x = 114,082,966,950.31
  5. Step 5: Solve for x
    x = 114,082,966,950.31/429,644.64
  6. Step 6: Final answer
    x = 265,528.66

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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.