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Finding the Fourth Proportional to 429,732.27, 644,050.44 and 176,723.51

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Solution

The fourth proportional to 429,732.27, 644,050.44 and 176,723.51 is: 264,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,732.27 : 644,050.44 = 176,723.51 : x
  2. Step 2: Convert to fraction form
    429,732.27/644,050.44 = 176,723.51/x
  3. Step 3: Cross multiply
    429,732.27x = 644,050.44 × 176,723.51
  4. Step 4: Simplify right side
    429,732.27x = 113,818,851,153.59
  5. Step 5: Solve for x
    x = 113,818,851,153.59/429,732.27
  6. Step 6: Final answer
    x = 264,859.91

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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.